Question: Choose your answer.

Which of the following remains constant in Earth's carbon cycle?
My Answer: the total mass of available carbon

Question: Choose your answer.

The hormone insulin is secreted by the pancreas. Which activity is most likely to trigger an increase in the levels of insulin circulating in the blood?
My Answer: eating

Question: Choose your answer.

A student is designing a model of the solar system and writing a report. She is trying to be as accurate as possible. Which statement should she include in her report?
My Answer: The orbit of Mars is similar to the orbit of Saturn.

Question: Choose your answer.

After months of studying and obtaining data on the behavior of birds, biologists from around the world will look at the data and
My Answer:
come up with several possible interpretations.