Why is water found in different phases on different objects in our solar system?
Answers
Earth is the only known planet to have bodies of liquid water on its surface. Europa is thought to have subsurface liquid water. ... Evidence points to water on other planets in our solar system. In 2015, NASA confirmed that liquid water flows intermittently on present-day Mars..
Related Questions
Explain the different ways to explain the concentration of a solute in solution.
Answers
Answer:
When discussing the concentration of a solute in a solution, there are several ways to express it. The choice of method depends on the specific requirements of the situation and the nature of the solute and solvent involved. Here are some common ways to express solute concentration:
Molarity (M): Molarity is one of the most frequently used units of concentration. It represents the number of moles of solute dissolved in one liter of solution. Molarity (M) is calculated by dividing the moles of solute by the volume of the solution in liters.
Molality (m): Molality is similar to molarity, but it expresses the concentration of the solute in terms of the number of moles of solute per kilogram of solvent. Molality (m) is calculated by dividing the moles of solute by the mass of the solvent in kilograms.
Mass percent (% m/m): Mass percent is a ratio of the mass of the solute to the total mass of the solution, expressed as a percentage. It is calculated by dividing the mass of the solute by the mass of the solution and multiplying by 100.
Volume percent (% v/v): Volume percent is similar to mass percent, but it represents the ratio of the volume of the solute to the total volume of the solution, expressed as a percentage. It is calculated by dividing the volume of the solute by the volume of the solution and multiplying by 100.
Parts per million (ppm) and parts per billion (ppb): These units are used when the solute concentration is extremely low. Parts per million represents the ratio of the number of moles of solute to one million moles of solution, while parts per billion represents the ratio of the number of moles of solute to one billion moles of solution.
Normality (N): Normality is a concentration unit that takes into account the chemical reactivity of the solute. It represents the number of equivalents of solute per liter of solution, where an equivalent is a measure of the solute's ability to undergo a chemical reaction.
It's important to note that these concentration units may vary depending on the field of study or specific application. Choosing the appropriate unit is crucial for accurate communication and analysis in the context of solute concentration.
Explanation:
Interpreting an Expression Quick Chec How many factors does the expression (17 –r) have? O four O two one three
Answers
Answer:
One
Explanation
which trait evolved early in the development of land animals and helped animals overcome their dependency on water to reproduce? group of answer choices specialized sensory organs hair mammary glands amniotic egg four limbs
Answers
The first sign of aquatic animals becoming land beings is the development of lungs in fish.
Do bony fish possess four limbs?Response and Justification: Fish that moved from the ocean to the land gave rise to the four-legged creatures known as tetrapods. Consequently, fish lack any limbs.
Aquatic species have evolved over hundreds of millions of years, beginning with little tropical fish from the Blenniidae family that can still be found today in the South Pacific waters around Rarotonga. To obtain better food, avoid bad air quality, and protect themselves from predators, aquatic creatures evolved to become land animals.
The fish then evolved an amphibian lifestyle, swam to the shore, and lived among the rocks on the beach when thea sea receded. Fish started surviving in both water and on land. These lungs were the first adaptation that allowed air species to change into land animals.
To know more about mammary glands visit:-
https://brainly.com/question/14216592
#SPJ4
During night time hours, photosynthesis decreases due to the lack of sunlight. Which of answers BEST describes what may happen as a result.
-Water will cease to flow through the vascular tissue.
-Leaves will turn yellow and wilt.
-Guard cells will close off the stomata.
-Cambium will go through a period of accelerated mitosis.
Answers
Answer: the correct answer would be D) guard cells will close off the stomata
I chose the above answer and it was incorrect
The answer that best describes what may happen as a result is cambium will go through a period of accelerated mitosis. The correct option is d.
What is photosynthesis?Photosynthesis is the process by which green plants convert light energy from the sun and carbon dioxide into glucose and oxygen in the presence of chlorophyll.
As a result, the false assertion about photosynthesis is carbon dioxide is produced during photosynthesis. Photosynthesis is a process that takes place in the chloroplast organelle of plant cells.
The typical light reaction of photosynthesis occurs within the chloroplast's thylakoid membrane. Water and carbon dioxide are the primary reactants in the reaction. In the reaction, the water is oxidized, releasing oxygen as a byproduct. Carbon dioxide is reduced.
Therefore, the correct option is d, Cambium will go through a period of accelerated mitosis.
To learn more about photosynthesis, refer to the link:
https://brainly.com/question/13261372
#SPJ2
co-55 undergoes positron decay. what is the product nucleus?
Answers
Positron decay is a type of radioactive decay that involves the emission of a positron from a nucleus.
When an unstable nucleus undergoes positron decay, it emits a positron (a type of antiparticle with the same mass as an electron but a positive charge) and a neutrino. This results in the conversion of a proton into a neutron, thereby decreasing the atomic number by one.The product nucleus formed after the decay depends on the initial nucleus that underwent the decay. In the case of cobalt-55 (Co-55), which has an atomic number of 27 and a mass number of 55, it undergoes positron decay as follows:27Co55 → 26Fe55 + e+ + νeHere, Fe-55 (iron-55) is the product nucleus formed after Co-55 undergoes positron decay. The atomic number of the product nucleus is one less than that of the parent nucleus because a proton is converted into a neutron, and therefore the atomic number decreases by one. The mass number remains the same because the total number of nucleons (protons + neutrons) in the nucleus is conserved.
To learn more about Positron visit;
https://brainly.com/question/31818947
#SPJ11
13 ______ is the gradual change of a species to be better suited for survival.
mutation
evolution
natural selection
extinction
Answers
Explanation:
What is the endpoint on the pH scale?
Answers
Answer:
the endpoint not pH scale is 14
Extra:
pH scale: measures acidity and basicity.
anything less than 7- acidic
7- neutral
anything greater than 7- basic
people use litmus paper to measure pH levels.
Apple what you have learned about photosynthesis and cellular respiration to complete the following table:
Help me fill it please m!!
Answers
The answers include the following below:
Photosynthesis Reactant - water and carbon dioxideProduct - glucose and oxygenTypes of organisms - plants organelle - chloroplastcellular respirationReactant - oxygen and glucoseProduct - ATPTypes of organisms - animalsorganelle - mitochondria.What is Cellular respiration?This is referred to as a series of chemical reactions that break down glucose to produce ATP.
It takes place in the mitochondria which is the reason why this organelle is referred to as the power house of the cell and is therefore the reason why it was chosen as the correct choice.
Read more about Cellular respiration here https://brainly.com/question/14158795
#SPJ1
can somebody help me??
Answers
The process that the mitochondrion performs is that it generates energy for the cell (also known as the powerhouse of the cell).
The two raw materials the mitochondrion needs are oxygen and a precursor of some sort, whether is be sugar or carbohydrates.
The molecule generated by the mitochondrion is called ATP, or adenosine triphosphate, this molecule is important because it allows the cells to work and function, ultimately resulting in the organism being able to live.
Also btw mitochondrion is singular and mitochondria is plural.
Hope this helps!
in developing his views on natural selection, darwin recognized that in domesticated species humans made the selections but in undomesticated species nature made the selections. true or false?
Answers
True. Darwin recognized that in the process of domestication, humans intentionally selected certain traits in animals or plants to breed and cultivate, leading to a rapid evolution of desired characteristics.
However, in undomesticated species, the process of natural selection occurs without any intentional human intervention, where traits that are advantageous for survival and reproduction are selected for by the environment.
Natural selection is the variation in individual phenotypic traits-based survival and reproduction. The evolution of the heritable features that define a population through generations is a fundamental mechanism of evolution. The term "natural selection" was popularised by Charles Darwin, who distinguished it from artificial selection by saying that the latter is deliberate while the former is not.
To know more about Darwin click here:
https://brainly.com/question/2491140
#SPJ11
which of the following is not a major role of vitamin a? a. supports reproduction b. prevents acne c. active in vision d. regulates growth
Answers
Vitamin A does not regulate growth. (A)
Growth is instead regulated by hormones like insulin, testosterone, and estrogen. (A)
Vitamin A does play a major role in other areas of the body. It supports reproduction by helping to form and maintain reproductive organs, helps to prevent acne by controlling skin cells, and is active in vision by aiding the eyes in adjusting to light and color.
Vitamin A also helps to regulate gene expression, cell growth, and immune system functioning.
Overall, Vitamin A plays an important role in reproduction, acne prevention, vision, and gene expression. It does not, however, regulate growth.
To know more about immune system click on below link:
https://brainly.com/question/19843453#
#SPJ11
Which of these choices is a benefit of replacing a coal-burning power plant with a nuclear power plant?A.Increased cancer rates among local residentsB.Improper storage of radioactive wasteC.Groundwater contamination from radioactive wasteD.Improved respiratory health of local residents
Answers
Improved respiratory health of local residents is a benefit of replacing a coal-burning power plant with a nuclear power plant (Option D).
What is a nuclear power plant?A nuclear power plant is a plant that generates energy by nuclear fission, which is a process where an atom splits into two minor particles, thereby relating energy. This energy is used to heat water and then the vapor is used to move turbines that generate electricity.
In a nuclear power plant, the overall process does not produce greenhouse gases (such as for example carbon dioxide) alike coal based plants and therefore it maintains the quality of the air and atmosphere
Therefore, we can conclude that nuclear power plants do not generate contaminant greenhouse gases and therefore they are able to maintain the quality of the air in normal conditions that are suitable for respiration.
Learn more about nuclear power plants here:
https://brainly.com/question/2005734
#SPJ1
Please help hurry I’ll mark brainly
Answers
. Which of these types of electromagnetic radiation has the lowest energy?
a. Radio waves
b. Visible light
c. Gamma rays
Answers
Answer: a
Explanation:
radio waves have the longest wavelengths so it has the lowest energy
By which process is water lost from a leaf?
a active transport
b diffusion
c osmosis
d photosynthesis
Answers
Answer:
Explanation:
It is transpiration but seeing as it isn't in the options the closest i can think of is osmosis though it doesn't sound right but sorry if its wrong
List the accessory organs of the digestive system and explain why they are called accessory
Answers
The salivary glands, liver and gall bladder, and the pancreas aid the processes of ingestion, digestion, and absorption. These accessory organs of digestion play key roles in the digestive process. Each of these organs either secretes or stores substances that pass through ducts into the alimentary canal.
Explanation:
If you think of the digestive tract for what it is, it's a hollow tube that starts at the mouth and ends at the anus. It becomes not only rather amusing to think about, but it also helps to discern what is classed as a 'main organ', and what is classed as an 'accessory organ'.
First, we put food into our mouth where it is chewed and manipulated into manageable portions with our teeth and tongue, and also begins to get broken down by enzymes in our saliva; produced in the salivary glands . Here, the teeth, tongue and salivary glands are acting as accessories to digestion.
The food is then swallowed, where it travels down through the oesophagus before entering the stomach. These are both main organs. Whilst in the stomach, gastric juices break down the food and it is thoroughly churned up; it's worth noting that the stomach absorbs very few of the nutrients from food.
Once the stomach has done its work, the food is released into the small intestine, one of the main digestive organs, which is divided into three main parts. The first portion, the duodenum receives the food, and the liver/gall-bladder and pancreas act as accessory organs by secreting a range of enzymes directly into the duodenum via a series of ducts so that food can be further digested and broken down.
When this has been achieved, the waste begins to move into the jejunum, the second part of the small intestine, where nutrients are absorbed from the digested slurry. From there, it moves into the last portion of the small intestine, ileum, where any remaining nutrients are removed from the waste before it passes into the final main organ, the large intestine. Almost all nutrition has been absorbed by this point, so the primary purpose of the large intestine is to reabsorb as much of the water as it can from the waste.
The first portion of the large intestine is known as the caecum, and it is to this that the appendix protrudes. From there, it moves upwards via the ascending colon, until it reaches a bend that transitions into the transverse colon; which moves the waste across the abdomen before it hits the next bend, where the it becomes the descending colon. From here the now solid matter moves through the sigmoid colon, and into the rectum where it is free to be expelled as faeces, or poop.
To summarize this process:
The accessory organs are teeth, tongue, salivary glands, the pancreas and the liver/gall-bladder.
The main organs are the mouth, oesophagus, stomach, small intestine (duodenum, jejunum and ileum), and the large intestine (caecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum), and anus.
The diagram below represents a process that occurs within Earth's mantle.What process is represented by this diagram?
Answers
Radiation bk
I WILL MARK YOU BRAINELEST Describe an example of convection that occurs on Earth.
Answers
Answer:
Breeze. The formation of sea and land breeze form the classic examples of convection. Going by the definition of convection, the molecules at a higher temperature displace the ones at a lower temperature. Similarly, in the afternoon, the surface of the land near the sea is warmer as compared to in the evening.
Explanation:
hopes this helps
What is the name for the branch of biology that looks at how traits are passed from one generation to the next?
Answers
Answer:
Genetics
Explanation:
Genetics is the study of genes , heredity and variation
If a group of astronomers developed a theory about how stars form, which event would lead to the durability of their theory?
A.) The theory is completely replaced by newer, more popular theories over time.
B.) A different group of scientists finds evidence refuting the theory.
C.) A rival theory is put forth at the same time that suggests something different about star formation.
D.) The theory developed by the astronomers is revisited and reexamined several times.
Answers
If a group of astronomers developed a theory about how stars form, the event that would lead to the durability of their theory is the theory developed by the astronomers is revisited and reexamined several times. Thus, the correct option for this question is D.
What is an Astronomer?An Astronomer may be defined as a kind of scientist that focuses their detailed studies on a specific question or field outside the scope of Earth. They are directly related to the field of astronomy.
These scientists significantly observe numerous astronomical objects such as stars, planets, moons, comets, and galaxies.
According to the context of this question, it is the fact that if any scientist developed a theory based on a specific topic or field, the durability is occupied only when it is revisited and reexamined multiple times.
Therefore, the theory developed by astronomers is revisited and reexamined several times is one of the events that would lead to the durability of their theory. Thus, the correct option for this question is D.
To learn more about Astronomers, refer to the link:
https://brainly.com/question/4239329
#SPJ2
does anybody have the answers to this :/ its due soon and i don't understand anything of what it is about.
Answers
Answer: i thik is about coronavirus is going down or cardiovascular is desease
Explanation: not sure
Answer:
Yes
Explanation:
So the old man's grandpa's they have a high risk to get coronavirus
consider a human autosomal gene with four alleles. the number of different genotypes that are possible is
Answers
Consider a human autosomal gene with four alleles. the number of different genotypes that are possible is 10
Number of alleles = n = 4
Autosomal genes are those found on autosomes, the non-sex chromosomes in a diploid cell. These genes can be inherited from either parent and do not have a role in determining a person's gender. Autosomal genes control the majority of the characteristics that a person inherits from their parents, including height, eye color, and hair color.
Calculating the number of different genotypes that are possible -
= n(n+1)/2,
Substituting the values -
= 4 (4+1) /2
= 4 (5) /2
= 20/2
= 10
Read more about autosomal gene on:
https://brainly.com/question/30584405
#SPJ4
Why is type O negative blood considered the universal red blood cell donor?
It has all three types of antigens.
It has all three types of antibodies.
It lacks all three types of antigens.
It lacks all three types of antibodies.
Answers
Type O blood type is the only blood group that is safe to utilize in an emergency when a patient's blood group is unknown. The fact that it works with all blood groups is the explanation.
What are the four main blood type categories?
The four main blood types (groups) are A, B, AB, and O. The genes you inherited from your parents define your blood type. There are a total of 8 blood types, each of which can be either Right hand drive positive or Right hand drive negative.
What blood type is the rarest?
Only 1% of our contributors have AB negative, the rarest of a seven major blood types. Although being in little supply, there is
To know more about blood type visit:
https://brainly.com/question/275815
#SPJ1
Which diagram shows magnets that will attract each other?
Answers
Answer:
D (fourth one)
Explanation:
since N and S attract (opposites attract)
Answer:
D
Explanation:
i jus did the assignment
the part of the left temporal lobe that is involved in understanding language is known as
Answers
The part of the left temporal lobe that is involved in understanding language is known as Wernicke's area.
Wernicke's area is located in the posterior part of the superior temporal gyrus in the dominant hemisphere of the brain, which is typically the left hemisphere in most individuals. It is named after Carl Wernicke, a German neurologist who first described its function. Wernicke's area plays a crucial role in the comprehension and formulation of language. Damage to this area can result in a language disorder called Wernicke's aphasia, characterized by difficulties in understanding and producing coherent speech. Individuals with Wernicke's aphasia often have fluent but nonsensical speech, with impaired comprehension and word-finding difficulties.
While Wernicke's area is primarily associated with language comprehension, it is important to note that language processing involves a complex network of interconnected brain regions. Other areas, such as Broca's area in the frontal lobe, are responsible for language production and coordination with Wernicke's area for effective communication. The interaction between these language-related areas allows for the understanding and expression of verbal communication.
Learn more about Wernicke's area here:
https://brainly.com/question/24552101
#SPJ11
What is the geologic column?
A. a sequence of rock layers with known rock
and fossil formations
B. a column of dense ore that holds together
rock layers
C. an extremely deep hole that reaches the
bottom of Earth's crust
D. an area where fossils from every time period
resurface
Answers
The answer is a
if transcription progresses at the rate of 40 nucleotides per second, how long it would take to transcribe a sequence
Answers
It would take 2.5 seconds to transcribe a sequence of 100 nucleotides if transcription progresses at the rate of 40 nucleotides per second.
It depends on the length of the sequence. The time required to transcribe a sequence can be calculated using the formula:
time = length of sequence / rate of transcription
Assuming the sequence is 100 nucleotides long, it would take:
time = 100 nucleotides / 40 nucleotides per second
time = 2.5 seconds
Therefore, it would take 2.5 seconds to transcribe a sequence of 100 nucleotides if transcription progresses at the rate of 40 nucleotides per second.
Learn more about transcription
https://brainly.com/question/14136689
#SPJ4
water vapor changing to liquid water
A.evaporation
B.condensation
C.precipitation
D.water cycle
Answers
Asdfghjkl
who establishes a crime scene?
A) Criminal Investigator
B) First Responder
C) District Attorney
D) Crime scene Photographer
Answers
Answer:
Explanation:
Law enforcement establishes a crime scene of what happened.
specialized cells that are responsible for carrying information from the brain or spinal cord to the muscles and glands are called
Answers
Specialized cells that are responsible for carrying information from the brain or spinal cord to the muscles and glands are called motor neurons.
Motor neurons are nerve cells that transmit signals from the central nervous system to the muscles and glands, triggering muscle contraction or glandular secretion. They are part of the somatic nervous system, which controls voluntary movements and conscious sensation. Motor neurons play a critical role in the functioning of the body, enabling us to move, communicate, and interact with the environment. Motor neurons are responsible for the body’s ability to move and are part of the somatic nervous system, which controls voluntary movements and conscious sensation. Motor neurons play a critical role in the functioning of the body, enabling us to move, communicate, and interact with the environment.
To know more about motor neurons please refer:
https://brainly.com/question/29694659
#SPJ4