Q: Spores are the basic reproductive units of what organism? Choices: - mushrooms - yeast - tropical plants - fungi A:
fungi

Q: In the absence of air resistance, all falling objects accelerate at the same rate due to what force? Choices: - velocity - weight - motion - gravity A:
gravity

Q: Q: A voltage source and a conductor are common to all what? Choices: - magnets - thermometers - cooling circuits - electric circuits A:
A: electric circuits

Question: Q: All the blood in the human body is filtered about 60 times a day by what? Choices: - lungs - heart - liver - kidneys A:
Answer: kidneys

*Question*
Q: Catabolic and anabolic hormones in the body help regulate these? Choices: - brain signals - hormone levels - nutrient levels - metabolic processes A:
**Answer**
metabolic processes

(Q).
Q: What is a common chemical substance on planet earth? Choices: - oxygen - nitrogen - hydrogen - water A:
(A).
water