A scientist burns samples of beets and potatoes to compare how much energy each contains. How can the scientist make this a controlled experiment?
A. Not use any responding variables
B. Use beets that are much larger than the potatoes
C. Make sure the beets and potatoes give off the same amounts of energy
D. Use the same mass of beets and potatoes
Answer:
hope you help
Explanation:
ans. C. Make sure the beets and potatoes give off the same amounts of energy
whats is the difference between sexual repro. and asexual repro?
Answer:
Sexual repro means combining genetics from parents, while asexual repro produces an offspring from only one parent.
Answer:
Sexual reproduction just means combining genetic material from two parents. Asexual reproduction produces offspring genetically identical to the one parent.
2. Explain the movement of initial energy from the sun
through an energy pyramid.
A heterozygous for height pea plant is crossed with a homozygous recessive for height pea plant. What is the punnet square?? Please answer quickly!!!
What supports and protects animal bodies?
A genetically engineered corn plant is approved for agricultural use. The plant produces pollen that can make its own toxins. These toxins protect the corn plant against pests and no longer require the application of chemical pesticide. What is a likely impact on the farmer of growing such a variety of corn?
The financial costs for the farmer would be lowered since less crops would be lost to pests.
The financial costs for the farmer would be lowered since more crops would be lost to pests.
The farmer may be held responsible for increasing chemical pollution.
The farmer's expenses for pest control would increase due to an increase in bee population.
Answer:
The answer would be A) The financial costs for the farmer would be lowered since less crops would be lost to pests.
Genetically engineered corn plant would impact on the the financial costs for the farmer would be lowered since less crops would be lost to pests.
What is genetically engineered corn plant?Corn is the most widely farmed crop in the United States, and the majority of it is genetically modified. The majority of GMO corn is engineered to withstand insect pests or herbicides. Bt maize is a genetically modified organism (GMO) that generates proteins that are poisonous to specific insect pests but not to people, pets, cattle, or other animals.Hence, the correct option is A.
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PLEASE HELPME OUT I WILL GIVE BRAINLIESTUOSDFODH
Answer:
Manta ray and trigger fish
Explanation:
Both of these are feeding on primary consumers, which are consuming plants (the producers).
Which could NOT be in a nonfictional story?
A) dancing cups
B) laughing children
C) a huge crowd of people
D) a tornado
Answer: A. Dancing cup
Explanation:
Answer:
A) Dancing cups
Explanation:
I never heard in my life dancing cups so those would be fiction.
Does the pattern in a food chain support the conclusion that climate change is caused by human activity and deforestion? Why or Why not?
Answer: No, it does not directly.
Explanation:
The pattern in a food chain cannot directly support the conclusion that climate change is caused by human activity and deforestation, as food chains only describe the transfer of energy and nutrients between different organisms in an ecosystem. However, the impacts of climate change and deforestation can disrupt food chains and have cascading effects on ecosystems, which can ultimately lead to the extinction of certain species and the loss of biodiversity.
Human activities, such as burning fossil fuels, deforestation, and agricultural practices, contribute to the emission of greenhouse gases, which trap heat in the atmosphere and cause global temperatures to rise. This increase in temperature can have a range of effects, including changes in precipitation patterns, rising sea levels, and more frequent and intense extreme weather events.
These changes can disrupt the habitats and food sources of many species, causing declines in their populations and even extinction in some cases. For example, deforestation can lead to the loss of habitat for many species, including those that are important components of food chains. Additionally, changes in precipitation patterns can affect the growth of plants and the availability of food for herbivores, which can then impact the populations of predators that depend on these herbivores for food.
In summary, while the pattern in a food chain itself does not provide direct evidence for the causes of climate change, the disruption of food chains and ecosystems due to human activities and deforestation can contribute to climate change and its impacts.
No, a food chain's pattern does not conclusively prove that human activity and deforestation are to blame for climate change.
The pattern in a food chain does not necessarily prove that human activity and deforestation are to blame for climate change. Natural processes, greenhouse gas emissions, changes in land use, and other factors are only a few of the many influences on the complex phenomenon known as climate change. While human actions like burning fossil fuels can raise greenhouse gas concentrations and deforestation can lessen carbon sinks and release stored carbon into the atmosphere, these factors cannot simply be attributed to the pattern in a food chain.
A thorough examination of the diverse scientific facts and evidence from numerous disciplines, such as atmospheric sciences, climatology, and earth sciences, is necessary to comprehend and handle climate change.
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Explain why light traveling through an eyeglass lens refracts.
Answer:
Explanation:
Since the light ray is passing from a medium in which it travels relatively slow (more optically dense) to a medium in which it travels fast (less optically dense), it will bend away from the normal line. ... Rather, these incident rays diverge upon refracting through the lens.
Light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens material and the air that is present surrounding it, as light bends differently in different mediums.
What is the significance of the light refraction?Light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens and the air, so when light enters something with a different refractive index, such as an eyeglass lens, it slows down and changes direction, and the difference in thickness in the eyeglass causes light rays entering the lens from different angles to be bent differently.
Hence, light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens material and the air that is present surrounding it, as light bends differently in different mediums.
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Brainliest Compare and contrast fibrous, tap, and water root systems.
Answer:
Taproot is a root system where roots develop from a single nodule.these are usually deep rooted .thus the plant gets tightly anchored to the soil. Fiberous root is a system where first a single root develops and further roots develop from it.these are not deep rooted and the plant is not properly anchored to the soil
Yo can someone help me out
Answer:
Pretty sure its A, and if its not, i'm sorry its 10 a.m and i'm still half asleep.^O^
What is the fourth step of virus reproduction?
A. New virus particles are released
B.the host cell Copies the generic information
C. New virus particles are made
D. The host cell reads the Generic information
Identical twins share all of their genes, while fraternal twins share only half of their genes. For twins with the disorder schizophrenia, about 50% of indetical twins share the disease, while only about 10-15% of fraternal twins do. What does this tell you about the way genetic and envionmental facotrs affect schizophrenia?
Answer: The environmental factors likely interact with genetic liability negatively to produce disorders in the schizophrenic spectrum. Genetic and environmental components of the disorder are examined, as well as their interactions in producing either neurodevelopmental syndromes or schizophrenia itself.
Explanation:
The differences between identical and fraternal twins are due to how they are conceived. When identical twins are conceived, the fertilized egg splits into two, causing two separate embryos to grow. When fraternal twins are conceived, two eggs are fertilized at the same time.
Many factors normally contribute to the onset of schizophrenia
The actual causes of schizophrenia are not fully understood.
Brain chemistry: Abnormal functioning of neurotransmitters such as dopamine can cause schizophrenia.
Heredity: Schizophrenia tends to run in families. If a parent has the disorder, the offsprings are susceptible to the disease.
How long does it take for one red blood cell to go round the body?
o 20 seconds
o 20 minutes
o 24 hours
o 24 minutes
Answer:
99% sire its 20 seconds
Explanation:
<3
ASAP!!!!!!! which animals are the tertiary consumers in this food web??(see pic)
Answer:
Explanation:
The eagle is the tertiary consumer since it only consumes on secondary carnivores
Infectious Disease Investigation
The students are to investigate an infectious disease.
They will choose a specific infectious disease, such as the flu, common cold, or
COVID-19, and research its causes, symptoms, and preventive measures.
Students are to create informative posters or presentations about the disease,
including its transmission methods and ways to protect oneself from infection.
They will explain the importance of personal hygiene and vaccination in preventing
the spread of infectious diseases.
Following the summer vacation, the students will be given an opportunity to present
their findings to the class or organize an "Infectious Disease Awareness Campaign"
where they can share their posters or presentations with their peers.
Answer:
The common cold is an illness affecting your nose and throat. Most often, it's harmless, but it might not feel that way. Germs called viruses cause a common cold.
Often, adults may have two or three colds each year. Infants and young children may have colds more often
what happens to the number of similarities in organisms as you move down the levels on the chart
Answer:
they decrease
Explanation:
sry if wrong
At top speed, the fastest bicycle in the world can travel from San Jose to Morgan Hill (34.9 km) in 14 minutes and 31 seconds. What is the speed of this bicycle?
Answer: 2.41 = 1 km
Explanation:
Africa and South America are 4,000 km apart. If the plates move away from each other at a rate of 30 km per 1 million years, how long would it take for them to travel 4,000 km?
Rate = Distance ÷ Time Distance = Rate ÷ Time Time = Distance ÷ Rate
The subject is science I just cant find it-
Answer:
The majority of the research shows that the plates move at the average rate of between approximately 0.60 cm/yr to 10 cm/yr. Some sources state that in the North Atlantic, the rate of movement is only about 1 cm (about 0.4 in) per year, while in the Pacific it amounts to more than 4 cm (almost 2 in) annually, while others say that plates, in general, travel from 5 to 10 cm/yr.

The Eurasian Plate is moving away from the North American Plate at a rate the is about 3cm per year. That is about the same rate at which your fingernails will grow.

The distance from New York to London is in 3459 miles (5567 km). What will the distance be in 5 million years?.


The distance from New York to London in 5 million years will be 3552 miles (5717 km). So if today it takes us 7 hours and 30 minutes to fly to London at a speed of 460 miles per hour, in 5 million years at the same rate of speed will take us close to 8 hours.
Please Answer FAST ASAP
Type your response in the box. Do you think humans go through a simple life cycle? Explain your reasoning.
Exact Answer From Edmentum Plsss
Answer:
No
Explanation:
The human body constantly develops and changes throughout the human life cycle, and food provides the fuel for those changes. The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle age, and the senior years. Hope this helps you! Have a great day to whoever reads this!
Identify the organelles in the cell to the right.
A
B
C
D
E
F
The organelles in a plant cell are labeled. Part A is a large hollow structure at the center of the cell. Part B is a leaf-shaped structure. Part C is the lining of the cell. Part D is made up of stacked circles. Part E is a network of membranous tubules. Part F is the outside of the cell.
Answer:
A - Vacuole
B- chloroplast
C- Plasma/cell membrane
D-Golgi apparatus
E-Endoplasmic Reticulum
F- Cell wall
Explanation:
Lodgepole pine and quaking aspen share a large portion of their distribution ranges in the western US. In an area with both species, after a wildfire which would you expect to become the dominant species in the first 20 years after a fire? Why?
Answer:209
Explanation:becuae the need 20 bro bly
Which of these diseases is not caused by improper disposal of sewage?
A. Cholera
B. Heart Attack
C. Jaundice
D. Typhoid
What are some of the ways technologies invented for war can be repurposed for agricultural use?
I NEED HELP PLEASE!
the question says "Chris creates models of two different types of waves using a computer program. Label his models by dragging the labels to the correct locations."
The two different types of waves in Chris's models is Transverse Wave and Longitudinal Wave.
What is compression?Compression is a region of a longitudinal wave where the particles of the medium are close together, resulting in a high pressure area. This causes a temporary increase in density of the medium through which the wave travels.
Transverse Wave: This type of wave moves perpendicular to the direction of the wave energy, and is characterized by crests and troughs.
Longitudinal Wave: This type of wave moves parallel to the direction of the wave energy, and is characterized by compressions and rarefactions.
In the diagram provided, it's important to identify which parts of the wave correspond to each of the labels given: compression, crest, longitudinal, refraction, transverse, and trough.
Compression refers to the part of a longitudinal wave where the particles are close together, while rarefaction refers to the part of the wave where the particles are spread out.
A crest refers to the highest point of a transverse wave, while a trough refers to the lowest point of a transverse wave.
Refraction refers to the bending of a wave as it passes from one medium to another, while transverse waves are characterized by the oscillation of particles perpendicular to the direction of wave motion.
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1. What kinds of pollution do you know? Which is the worst? Discuss in group.
2. What are fossil fuels? Give examples. Where are they used? Can they be replaced?
3. Some factories dump waste water in rivers and ocean. How can we prevent this?
4. People throw away tons of garbage everyday. How can we reduce the amount of garbage?
5. Do you drink bottled water? Why or why not? What is its effect on the environment?
pls 3-5 sentence and then explain briefly the answer. ty
Answer:
1. There's air pollution, water pollution, noise pollution, and light pollution. The worst pollution is air pollution because it can cause severe health problems like respiratory diseases or even cancer.
2. Fossil fuels are resources that are formed from the remains of dead plants and animals. An example would be coal, oil, and natural gas. These fuels are used to generate electricity, power vehicles, heat homes and buildings. Yes, there many other energy sources that can replace fossil fuels.
3. One way to prevent factories from dumping waste water in rivers and oceans is to implement stricter regulations and penalties for those who violate them.
4. One of the best ways to reduce the amount of garbage is to reduce, reuse, and recycle.
5. Yes, I drink bottled water because it's more water to drink from a bottle and its effect on the environment is recycling and being reused.
Please help with the following questions, 50 points AND Brainliest if ALL are correct.
1) Exhaust from motor vehicles is the number one cause of what?
A. carbon monoxide pollution
B. acid rain
C. mercury poisoning
D. sulfur dioxide pollution
2) Choose all the answers that apply.
Carbon dioxide:
A. is a waste product of photosynthesis
B. is a waste product of respiration
C. is the most abundant gas in the atmosphere
D. is the leading cause of the greenhouse effect
E. is released when fossil fuels are burned
3) Choose all the answers that apply.
The greenhouse effect is:
A. slowly increasing sea levels
B. caused when atmospheric gases trap heat
C. slowly increasing global temperature
D. melting the polar ice caps
E. increasing because of carbon dioxide emissions
4) Electrical power plants are the main contributor of what?
A. mercury poisoning
B. sulfur dioxide pollution
C. oxygen pollution
D. pollution
5) Which of the following is the best way to slow the greenhouse effect?
A. drive more often
B. stop using electricity
C. increase the amount of oxygen released by plants
D. use energy sources other than fossil fuels
6) Which part of the water cycle is happening when it is raining in Seattle, Washington?
A. precipitation
B. condensation
C. evaporation
D. respiration
7) Choose all the answers that apply.
Water on earth:
A. is slowly decreasing in amount
B. can be used to generate electricity
C. is not considered a true natural resource
D. is recycled
E. is slowly increasing in amount
8) It is important to pick up waste from your pet because _____.
A. mercury in waste can cause mercury poisoning in fish
B. bacteria in waste can infect aquatic organisms
C. bacteria in waste decreases the amount of oxygen in water
D. nutrients in waste can increase the algae population
9) Choose all the answers that apply.
Which of the following is a source of watershed pollution?
A. pesticide
B. trash
C. chemical spills
D. animal waste
E. fertilizer
10) Which of the following statements is true?
A. Groundwater is not part of the water cycle.
B. Most of the earth's water is freshwater.
C. Thermal pollution is the main disadvantage of hydroelectric power.
D. Refining oil pollutes the air with nitrogen dioxide.
11) Choose all the answers that apply.
Which of the following are renewable resources?
A. oil
B. water
C. wood
D. coal
12) Which of the following statements is true?
A. Paper can be recycled, but plastic and metal cannot.
B. Individuals cannot protect the environment, only the government can.
C. Walking short distances instead of driving can help reduce the greenhouse effect.
D. Contour plowing increases the rate of soil erosion.
Thank you so much
1. D
2. C and D
3. B and E
4. B
5. D
6. A
7. D and B
8. D
9. A and C
10. A
11. A and D
12. C and D
Can i please have brainliest this took like 10 minutes of thinking
Which animal is most likely to have an open circulatory system?
Responses
beetle
cat
human
elephant
Answer:
Beetle
Explanation:
open circulatory system found primarily in arthropods and mollusks. Arthropods are a group of animals that includes insects and crustaceans.
Answer:
The answer is beetle
1. How can hanging clothes reduces the greenhouse gas emissions?
2. What is carbon footprint?
3. What is the difference between finite and infinite?
4. How does using a fan lowers the greenhouse gas emissions?
5. What is mitigating?
6. How can sweeping minimizes noise pollution?
7. How does planting can conserve our natural resources?
Answer:
Explanation:
1) Hanging clothes to dry reduces electricity use and greenhouse gas emissions and makes clothes last longer.
2) The carbon footprint serves as an indicator to compare the amount of greenhouse gases emitted over the entire life cycle from the production of a good or service along the supply chain to its final consumption
3) The word 'Finite' itself describes that it is countable, and the word 'Infinite' means it is not finite or uncountable.
Answer:
Explanation:
1.) Using hanging clothes instead of using any machine(dryer) reduces the emission of gases and uses natural ways (sunlight, wind) to dry them up.
2.) Carbon footprint can be defined as the amount of greenhouse gases especially carbon dioxide (CO2) and methane emissions, that relate to daily human activities.
3.) If the no. of elements are countable then they are said to be finite, while if the no. of elements are uncountable then they are said to be infinite.
4.) Fans help to evaporate moisture from the skin, providing a cooling effect as it creates breezes instead of cooling it, while
Air conditioners remove heat from the air by using energy-intensive refrigeration cycles,
Thus fan helps to reduce greenhouse gas emissions.
5.) Mitigating refers to the act of reducing or minimizing the negative impacts of a particular issue or problem.