Fill in the blank spaces in the table.
Neutron
Protomis
Atomic Mass
1
1
6
6
Element
Hydrogen
Carbon
Calcium
Fluorine
Potassium
Oxygen
20
40
9
19
19
39
8
16
Which subatomic particle identifies the atom?
og e
Answers
Answer:
hydrogen =1 1
carbon=6 6
calcium=20 40
fluorine=9 19
potassium=19 39
oxygen=16 8
Related Questions
Turn to the back of your worksheet to answer the rest of the questions. 1. How are igneous rocks formed? Group of answer choices weathering and erosion into sediments, then deposition and lithification rocks get buried deep in the earth where they melt and then cool rocks are under heat and pressure so they can change rock is split into larger pieces and then dissolves in water where it hardens into rock
Answers
Answer and Explanation:
Igneous rocks form most of the earth´s crust. They are the result of the solidification of rocky, molten material, the magma. Rocks are melt in the interior of the earth´s crust or in the mantle, and then, as they are less dense than the other rocks, tend to ascend toward the surface. As they ascend, they get cold and solidify.
There are two kinds of igneous rocks, according to the moment of solidification. Extrusive igneous rocks are the ones formed when the molted material gets to get to the earth´s surface and crystalize there. Intrusive rocks get formed when the magma loses its motility before reaching the surface, ending by crystalizing in the deepness.
If you were counting chromosomes in the gametes and the somatic cells of a giraffe, what should be the ratio of the number in the former to the number in the latter? Group of answer choices
Answers
The ratio of the number of chromosomes in the gametes to the number in somatic cells of a giraffe should be 1:1. The correct answer is C).
Giraffes, like all mammals, have a diploid number of chromosomes in their somatic cells. In giraffes, this number is 30. Gametes, however, are haploid, meaning they only contain one set of chromosomes. During meiosis, the process of gamete formation, the number of chromosomes is reduced by half. Therefore, the haploid number of chromosomes in giraffe gametes is 15.
Since the somatic cells of a giraffe are diploid and the gametes are haploid, the ratio of the number of chromosomes in the gametes to the number in somatic cells is 1:1.
This means that there is an equal number of chromosomes in the gametes and somatic cells of a giraffe. The ratio would only be 2:1 or 1:2 if there was an abnormality in chromosome number, such as a triploid (3 sets of chromosomes) or tetraploid (4 sets of chromosomes) condition.
Therefore, the ratio of the number of chromosomes in the gametes to the number in somatic cells of a giraffe should be 1:1. The correct answer is C).
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If you were counting chromosomes in the gametes and the somatic cells of a giraffe, what should be the ratio of the number in the former to the number in the latter?
A) 2:1
B) 1:2
C) 1:1
D) 2:2
How were passenger pigeons ecologically important to trees and plants?
1. The birds dispersed seeds and nuts from berry bushes and trees like beech, white oak, and chestnut far from their original source.
2. The birds left a thick (inches to a feet thick) path of droppings behind covering the ground below, but enriching the soil with nitrogen rich fertilizer for years to
come.
3. Their movement through an area was at first destructive, but then regenerative to the land.
4. All of the above hold ecological importance.
Answers
Passenger pigeons were ecologically important to trees and plants as : 4.) All of the above hold ecological importance.
How were passenger pigeons important to trees and plants?Passenger pigeons were ecologically important to trees and plants in number of ways. They dispersed seeds and nuts from berry bushes and trees like beech, white oak, and chestnut far from their original source and also allowing for the spread of these species.
Birds left thick path of droppings behind covering the ground below but enriching soil with nitrogen-rich fertilizer for years to come. Their movement through an area was at first destructive as they would eat large amounts of fruits and nuts, but then regenerative to land as the droppings fertilized the soil.
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When individuals with certain inherited traits are more likely to survive and reproduce than those with less favorable traits, ______ occurs.
Answers
When individuals with certain inherited traits are more likely to survive and reproduce than those with less favorable traits, natural selection occurs.
Natural selection is a fundamental concept in evolutionary biology proposed by Charles Darwin. It is the process by which certain heritable traits become more or less common in a population over successive generations. Natural selection occurs when individuals with advantageous traits have a greater chance of surviving and reproducing, passing on those traits to their offspring.
The key components of natural selection are as follows:
1. Variation: Individuals within a population exhibit variation in their traits. These variations can be due to genetic differences, environmental factors, or a combination of both.
2. Selective Pressure: Environmental factors, such as predation, competition for resources, or changes in habitat, create selective pressures that affect the survival and reproductive success of individuals with different traits.
3. Differential Survival and Reproduction: Individuals with traits that are better suited to their environment have a higher probability of surviving and reproducing. They pass on their advantageous traits to their offspring, increasing the frequency of those traits in subsequent generations.
4. Heritability: The traits that confer a survival or reproductive advantage must have a genetic basis and be heritable, meaning they can be passed from parents to offspring.
Over time, through the accumulation of small changes and the elimination of less favorable traits, natural selection can lead to the adaptation of populations to their specific environments. This process is a driving force behind the diversity and complexity of life on Earth.
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In the model above, a volume of gas is held in a container. Over time, the container is heated by the flame at the
bottom. Apply the information in the table to select the statement best describes the LAW that describes what is
occurring in the container.
A)
An increase in particle energy causes an increase in pressure.
B)
If the temperature of the gas is increased, the volume of the gas increased.
O
As kinetic energy increases, the gas molecules hit the sides of the
container more frequently.
As the temperature increases, the kinetic energy of the gas increases and
the molecules spread apart.
D)
Answers
Answer:
b
Explanation:
b
If the temperature of the gas is increased, the volume of the gas increased describes the LAW that describes what is occurring in the container.
What do you mean by volume of gas?Volume is a measure of occupied three-dimensional space. It is often quantified numerically using SI derived units or by various imperial or US customary units. The definition of length is interrelated with volume.
Moreover, it is the measure of the capacity that an object holds. For example, if a cup can hold 100 ml of water up to the brim, its volume is said to be 100 ml. Volume can also be defined as the amount of space occupied by a 3-dimensional object.
The two units used to measure volume are liters and meters. Liquid volume is measured using liters while solid volume is measured in cubic meters.
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Based on this map, which of the following countries do you think contributes
least to global climate change?
Canada
USA
Mexico
Greenland
Brazil
A. China
CARBON DIOXIDE EMISSIONS
B. United States
C. Brazil
D. Greenland
Africa
South Africa
Russia
India
China
Australia
In thousands of
metric tons
5,000,000+
1,000,000-5,000,000
300,000-1,000,000
100,000-300,000
50,000-100,000
20,000-50,000
5,000-20,000
1,000-5,000
0-1,000
Answers
The country that contributes least to global climate change, as shown on the map is D. Greenland.
Which areas in the world contribute to climate change ?Climate change is a global issue, and all regions of the world contribute to it in different ways. The main drivers of climate change are greenhouse gas emissions, deforestation, and land-use change.
Some of the largest contributors to greenhouse gas emissions are developed countries like the United States, Europe, and Japan, due to their high levels of industrialization and energy consumption. Developing countries such as China and India are also becoming major contributors as their economies grow and their energy needs increase.
However, as shown on the map, Greenland contributes the least to global climate change as they are in green color which is among the lowest.
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which two systems are involved when waste and water are removed from blood as it flows through the kidneys?
Answers
The two systems involved in removing waste and water from the blood as it flows through the kidneys are the circulatory system and the urinary system.
The circulatory system delivers blood to the kidneys via the renal arteries, which branch off from the aorta. Inside the kidneys, the blood flows through tiny structures called nephrons, which filter out waste products, excess ions, and water.
The urinary system then removes these waste products and excess water from the body. The filtered liquid, called urine, flows through the ureters to the urinary bladder where it is stored until it is eliminated from the body through the urethra.
The kidneys and the urinary system play a crucial role in maintaining the body's internal environment by regulating the balance of fluids, ions, and waste products in the blood. This process is essential for maintaining proper physiological function and overall health.
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When waste and water are removed from blood as it passes through the kidneys, two systems are primarily involved: the excretory system and the circulatory system. The excretory system, via the kidneys, filters out wastes from the blood, while the circulatory system transports these wastes to and from the kidneys.
Explanation:The two systems involved when waste and water are removed from blood as it flows through the kidneys are the excretory system and the circulatory system.
The excretory system, specifically the urinary system which is a part of it, is primarily responsible for waste removal. It consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys have millions of units called nephrons that filter the blood and form urine, which is then stored in the bladder until it's ready to be excreted through the urethra.
The circulatory system works in tandem with the excretory system in this process. Blood containing metabolic wastes from the body's cells is transported to the kidneys via the circulatory system. Once in the kidneys, these wastes are filtered out, concentrated, and form urine. The purified blood then leaves the kidneys and continues its circulation around the body.
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give a scientific reason for the following (in) the presence of a large central vacuole in a plant cell
Answers
Answer: To store food and water: They are equipped with a large vacuole in comparison to animal cells since the plants are immobile to gin nutrition from surrounding and they need to store as much food they can(an evolutionary feature to support survival).
Explanation:
The source of the sediment in this rock was an igneous mass. Name the likely rock type.
Answers
There are three rock types sedimentary, igneous, and metamorphic due to weathering and erosion igneous change into the sediment.
What are the different types of rocks?Sedimentary rocks: Rocks found at or near the Earth's surface by the accumulation and lithification of sediment.
Igneous rocks: These rocks formed when molten crystallizes and solidifies. Weathering and erosion create this rock into mud and sand develop it into the sediment.
Metamorphic rock: It is formed when rocks are subject to high heat, high pressure, and high mineral reach fluid.
Therefore, weathering and erosion change igneous to sediment.
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what structural features of alveoli make them an ideal place for gas exchange
Answers
The structural features of alveoli make them an ideal place for gas exchange due to their large surface area and thin walls.
Alveoli are tiny, balloon-like structures found in the lungs. They are surrounded by an extensive network of capillaries, where the exchange of gases takes place. The large number of alveoli in the lungs provides a significantly large surface area for gas exchange to occur. This increased surface area allows for a greater amount of oxygen to diffuse into the bloodstream and carbon dioxide to be removed efficiently. Furthermore, the walls of the alveoli are extremely thin, consisting of a single layer of epithelial cells. This thinness enables gases to diffuse quickly across the alveolar membrane. The close proximity of the alveolar walls to the capillaries allows for a short diffusion distance, ensuring a rapid exchange of gases. Overall, the combination of the large surface area and thin walls of alveoli maximizes the efficiency of gas exchange in the lungs, facilitating the uptake of oxygen and the removal of carbon dioxide from the bloodstream. This ensures an adequate oxygen supply for cellular respiration and the elimination of waste gases produced by metabolic processes.
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The process of maintaining a stable internal environment or
keeping things constant is known as
Answers
Answer:
regulation
Explanation:
because is the maintainance of constant environment
If you are going to allow a population of mice to randomly mate for 5 generations and you want to limit inbreeding to a maximum of 14.678481% after generation 5 (assuming you started with zero inbreeding), how many males do you need if you have 20 females?
a) 5
b) 10
c) 50
d) 2
e) 8
Answers
The answer is (b) 10. To limit inbreeding to a maximum of 14.678481% after 5 generations, we need to calculate the expected amount of inbreeding in each generation and then adjust the number of males to add to the population accordingly.
The expected amount of inbreeding in each generation can be calculated using the formula:
Expected inbreeding = (1 - (1/2)^(generation/2)) * (1 - (1/2)^(generation/2)^2) * ... * (1 - (1/2)^(generation/2)^(14))
Substituting the value of generation=5 gives:
Expected inbreeding = (1 - (1/2)^5) * (1 - (1/2)^5)^2 * ... * (1 - (1/2)^5)^(14)
= 0.81924005762932
The maximum amount of inbreeding allowed is 14.678481%. Substituting this value gives:
Maximum inbreeding = 14.678481 / 0.81924005762932
= 17.5937535396166
Therefore, to limit inbreeding to a maximum of 14.678481% after 5 generations, we need to add at least 17.5937535396166 males to the population.
Solving for the number of males needed if we have 20 females, we get:
17.5937535396166 = (20 * 1 - 14.678481) / 20
= 3.45344278981875
Rounding to the nearest whole number, we get:
The number of males needed is 3.
Therefore, the answer is (b) 10.
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What happens when a population is in Hardy-Weinberg equilibrium?
O A. The total number of organisms in the population does not change.
B. The organisms with recefsive traits do not reproduce.
receresin
C. The distribution of alleles does not change from one generation to
the next
O D. The amount of immigration equals the amount of emigration.
Answers
Answer:
C. The distribution of alleles does not change from one generation to the next.
Strand 1 of a DNA molecule contains the sequence GATCT. What would be the complementary sequence found on strand 2?
CTAGA
TAGGC
AGCTT
GATCT
Answers
Answer:
CTAGA is best
Explanation:
C=G T=A unless in RNA when A=U and T still equals A
please . help. thank you .
Answers
Answer:
The oldest rock layer is letter E and the youngest is letter A
Explanation:
Soil piles on top of each other as time goes on via weather
Why does twitch summation result in greater muscle tension than a single muscle twitch? There is more calciumoresent in the sarcoplasm during twitch summation Blood flow is increased to muscles during twitch summation Myosin heads undergo stronger power strokes during twitch summation There is more ATP present during twitch summation
Answers
Twitch summation results in greater muscle tension than a single muscle twitch because myosin heads undergo stronger power strokes during twitch summation.
Twitch summation occurs when a second stimulus is applied to a muscle before the first twitch has completely relaxed. The second stimulus causes another twitch to occur, which combines with the remaining tension from the first twitch to produce greater overall muscle tension. The reason for this increased tension is that the second twitch results in additional calcium release, which binds to troponin and triggers more myosin heads to interact with actin. This leads to a greater number of power strokes and stronger muscle contractions. In contrast, a single muscle twitch only uses a limited number of myosin heads, resulting in less tension. Therefore, twitch summation allows for greater force production than a single twitch, making it important for activities that require greater muscle power, such as weightlifting and sprinting.
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why does snakes and frog goes for winter sleep?plz help me fßi need it's and know
Answers
Answer:
Explanation:
Snakes, like all reptiles, are cold-blooded (also known as ectothermic). This means they regulate their body temperature by lying in the sun to warm up, or moving into the shade to cool down. Snakes that live in cold climates like ours must seek refuge in a hibernaculum throughout the winter
Answer:
this due to
Explanation:
When cold weather hits, snakes must find shelter from the temperatures by burrowing in holes or caves, under logs or rocks, in tree stumps, or by making their way into basements, crawlspaces, garages, barns, sheds, wood piles, and even car engines.
Unlike many warm-blooded animals, snakes don’t actually hibernate in the winter. Instead, snakes go into a state known as brumation where snakes become less active and their metabolism slows down tremendously. Brumation is similar to hibernation in that snakes will sleep for long periods of time. They will, however, wake up to forage for food and water and if a sudden warm snap occurs and temperatures rise for a few days at a time. When the weather cools back down, they will go back into their brumation state once again. Brumation can begin anytime from September to December and last until March or April.
same for frog as well ,Frogs and toads are cold-blooded, so their body temperatures take on the temperature of the environment around them. During the winter, they go into a state of hibernation, and some can be exposed to temperatures below freezing.
farm B has a 200ft well that uses 10,000 cubic feet of natural gas per year. if the cost of natural gas is the same as farm A, what is the annual cost to operate this well
Answers
According to the question of natural gas, the annual cost to operate this well is $20,000.
What is natural gas?Natural gas is a type of energy source that is formed when decaying organic matter is subjected to intense pressure and heat over millions of years. It is a fossil fuel and is composed mainly of methane, with small amounts of other hydrocarbons such as ethane and propane. Natural gas is found in underground reservoirs and is extracted through drilling. It is used in the production of electricity, heating, and cooling, and is also a major component in the production of industrial chemicals.
This is calculated by multiplying the 10,000 cubic feet of natural gas used by the cost of natural gas, which is $2.00 per cubic foot.
Thus, 10,000 cubic feet x $2.00 = $20,000.
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guillermo had a myocardial infarction. another term for this is a(n)
Answers
Guillermo had a myocardial infarction, which is also known as a heart attack.
Myocardial infarction refers to the death of heart muscle tissue caused by a lack of blood flow and oxygen to the heart. A heart attack occurs when there is a blockage in one or more of the coronary arteries that supply blood to the heart muscle. A myocardial infarction occurs when blood flow to a part of the heart muscle is blocked, usually by a blood clot. This can damage or destroy the heart muscle, leading to serious health problems or even death.
In summary, a myocardial infarction is another term for a heart attack, both of which involve the interruption of blood flow to the heart muscle.
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Who leads the desert elephants
our planet questions episode 5/deserts to grasslands
Answers
While the elephants do not have a specific leader, they are known to follow matriarchs, which are the oldest and most experienced females in the group.
In the "Our Planet" documentary, episode 5 "Deserts and Grasslands," the concept of elephant leadership is discussed. Desert elephants, which live in one of the harshest environments on earth, are led by a matriarch, a female elephant who is the oldest and most experienced member of the herd. The matriarch is responsible for making important decisions, such as where to go to find food and water and how to protect the herd from predators. She also helps to mentor the younger elephants and passes on her knowledge and experience to them . This leadership structure is important for the survival of the desert elephants, as it allows the herd to navigate through their harsh environment and adapt to changes in their habitat.
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Where did the energy for the grain explosion come from?
Answers
Answer:
Grain dust is the main source of fuel for explosions in grain handling. Grain dust is highly combustible and can burn or explode if enough becomes airborne or accumulates on a surface and finds an ignition source (such as hot bearing, overheated motor, misaligned conveyor belt, welding, cutting, and brazing).
Which two statements are scientific claims?
there is 2 answer please help me
Answers
Science is the methodical examination of the world we live in via experimentation and observation.
What is Science?
Scientists gather information, examine it, and draw conclusions about how the universe functions.
The concept behind science is that it offers a reliable method for learning about the world while minimizing bias. When it comes to understanding what they see, humans are incredibly untrustworthy.
A scientific claim is often one that is supported by methodical observation and data. It is intended to be much more trustworthy than any other assertion you may make.
Therefore, Science is the methodical examination of the world we live in via experimentation and observation.
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What are some environmental consequences of the use of gmos?
Answers
Answer: They negatively impact the agriculture ecosystem.
Explanation:
Who came up with the geocentric model of the solar system?
Answers
Answer:
Ptolemaic system, also called geocentric system or geocentric model, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE and recorded by him in his Almagest and Planetary Hypotheses.
Mutated DNA sequences that can be passed from parent to offspring -
A.occur in gametic cells
B.occur in somatic cells
C.only occur if the parent is exposed to harmful substances
D.are rejected during meiosis
Answers
Answer:
A.occur in gametic cells
Explanation:
gametic=sex cells
In order for medicine X to produce the effects that the researchers observed, it must have entered into which part of the targeted cells?
Golgi apparatus
nucleus
rough endoplasmic reticulum
ribosomes
Answers
Answer:
Nucleus
Explanation:
Answer:
In order for medicine X to produce the effects that the researchers observed, it would most likely need to enter the nucleus of the targeted cells. The nucleus is where genetic material, such as DNA, is stored and where gene expression is regulated. Depending on the specific mechanism of action of medicine X, it may need to interact with or affect gene expression in some way in order to produce its observed effects. While the other organelles listed (Golgi apparatus, rough endoplasmic reticulum, and ribosomes) are important for various cellular functions, they are less likely to be directly involved in the mechanism of action of a medicine.
Many segments are blank wholesome are blank such as a segment for digestion and a segment for reproduction
Answers
Many Body segments are very wholesome are essential such as a segment for digestion and a segment for reproduction.
What is the bodily systems about?In the above case, it would be more accurate to say that many bodily systems are essential for our overall health and well-being, and they each play important roles in maintaining our bodily functions. For example, the digestive system is responsible for breaking down food and absorbing nutrients, while the reproductive system is responsible for producing and delivering offspring.
Therefore, It is important to note that while some bodily functions or segments may be considered more "wholesome" than others, each system is necessary and contributes to the overall functioning of the body. So, rather than categorizing them as wholesome or not, it's more useful to think of them as essential components of a complex and interconnected system.
P.S. Question seems incomplete and general definition is given.
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Gizmo nitrogen cycle
Answers
Answer:
igneous rocks, Sedimentary rocks, and metamorphic.
Explanation:
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If a large, contiguous forest is divided up by roads and development, leaving six large patches where there was just one previously, what animals are likely to be the most adversely (negatively) affected? - the smaller ones as they will lose many of their important hiding places - the larger ones as they often need larger territories and foraging areas to survive - the smaller ones as they will lose many of their important hiding places - all are likely to be equally negatively affected.
Answers
The most adversely affected animals in a fragmented forest are likely to be the larger ones, as they often require larger territories and foraging areas to survive.
While smaller animals may also experience negative impacts due to the loss of hiding places, their ability to adapt to smaller habitats gives them a better chance of survival but large animals, such as bears, wolves, and large herbivores, rely on vast contiguous areas for their survival. Fragmentation of forests by roads and development can limit their ability to find sufficient food and suitable mates, resulting in a decline in their populations. Additionally, these large animals may face an increased risk of road-related mortality and human-animal conflicts as they attempt to navigate the remaining fragmented habitats.
In contrast, smaller animals may still experience some negative impacts, such as reduced availability of hiding places and potential increased predation. However, they are generally more adaptable to fragmented habitats and can often find new shelter and food sources in smaller patches of forest. In conclusion, although all animals may experience some negative effects from forest fragmentation, larger animals are likely to be more adversely affected due to their dependence on extensive territories and foraging areas for survival.
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When both alleles of a parent or offspring are identical, the genotype of that individual is said to be:.
Answers
When both alleles of a parent or offspring are identical, the genotype of that individual is said to be homozygous for that trait. An allele is an alternative form of a gene that controls a specific characteristic. Homozygous is the term used to describe the genotype of an individual that has identical alleles for a particular characteristic or trait.
Let's take an example: If an individual has two alleles for brown eyes, then his/her genotype is homozygous for brown eyes. Similarly, if an individual has two alleles for blue eyes, then his/her genotype is homozygous for blue eyes. There are two types of homozygous genotypes: Homozygous dominant and homozygous recessive.
Homozygous dominant: It refers to the genotype of an individual in which both alleles of a gene are dominant. For example, BB is the homozygous dominant genotype for brown eyes.Homozygous recessive: It refers to the genotype of an individual in which both alleles of a gene are recessive. For example, bb is the homozygous recessive genotype for blue eyes.
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