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Living organisms require energy for biological processes. Chemical energy in a plant cell is

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Question generated: Some birds build nests in the spring. This nest building is a seasonal adaptation that occurs to help the birds

Problem: Write a question you would see in a school textbook.

Answer: On a field trip, a student holds a frog and reports that it has slippery skin. This is an example of

question: Write a question you would see in a school textbook. OPTIONS:
- animal respiration.
- decaying organisms.
- plant photosynthesis.
- burning fossil fuels.
answer: Carbon dioxide is removed from Earth's atmosphere by

An example of a grad-school level question?
A balloon filled with helium gas is set free and starts to move upward. Which of the following best explains why the helium balloon moves upward?

Random question?
Acid rain caused by industrial pollution greatly reduces the number of trees in a forested region that is home to a particular species of bird. How might this decrease in the number of trees most likely affect this bird population?