Q: What term is used to describe the way that animals interact with each other or their environment? Choices: - animal magnetism - animal decline - animal range - animal behavior A:
animal behavior

Q: What is happening to the rate of the expansion of the universe? Choices: - it is decreasing - it is stable - it is unknown - it is increasing A:
it is increasing

Q: Q: What are considered to be the smallest particles of matter? Choices: - cells - ions - molecules - atoms A:
A: atoms

Question: Q: What produces the centripetal force to keep the earth orbiting the sun? Choices: - heat - motion - weight - gravity A:
Answer: gravity

*Question*
Q: What can water's high surface tension be attributed t? Choices: - territorial molecules sticking together - molecules create a thin film-like substance - electric impulses in atoms - polar molecules sticking together A:
**Answer**
polar molecules sticking together

(Q).
Q: There are two types of digestion, mechanical and what else? Choices: - radiation - mineral - thermal - chemical A:
(A).
chemical