Question: Choose your answer.

Which function do kidneys provide to maintain homeostasis?
My Answer: the removal of nitrogenous wastes from the blood

Question: Choose your answer.

Which environmental factor would most likely prevent an orange tree from surviving in the desert?
My Answer: the lack of moisture

Question: Choose your answer.

Which of these will always produce a magnetic field?
My Answer: an electric current

Question: Choose your answer.

Which explains the pattern of day and night?
My Answer:
Earth spins on its axis.