Q: What is a force that opposes motion between any surfaces that are touching? Choices: - vibration - tension - gravity - friction A:
friction

Q: What is the name of the outer part of the adrenal gland located above the kidneys? Choices: - nucleus - mitochondria - spleen - cortex A:
cortex

Q: Q: Anabolic steroids, a form of the male sex hormone testosterone, are one of the most widely known performance-enhancing drugs. steroids are used to help build what? Choices: - bone mass - nervous tissue - brain tissue - muscle mass A:
A: muscle mass

Question: Q: Some protists absorb nutrients from decaying matter like a what? Choices: - insects - plant - mite - fungus A:
Answer: fungus

*Question*
Q: Fish hatch into larvae that are different from the adult form of? Choices: - sex - parasites - color - species A:
**Answer**
species

(Q).
Q: How long can a large star be on the main sequence stage? Choices: - 3 million years - 200.4 million years - 60.11 million years - 10 million years A:
(A).
10 million years