Q: Snails, scallops, and squids are examples of invertebrates called what? Choices: - orthopods - gastropods - clams - mollusks A:
mollusks

Q: Fossil fuels and nuclear power are what type of resource? Choices: - renewable - recurring - reusable - nonrenewable A:
nonrenewable

Q: Q: Controlling muscles and maintaining balance are just two of the roles of what system? Choices: - electrical system - digestive system - bacterial system - nervous system A:
A: nervous system

Question: Q: When do weather balloons return to earth? Choices: - when the air heats up - when the timer runs out - when the air cools - when it bursts A:
Answer: when it bursts

*Question*
Q: What effect is caused by air moving over the earth's surface as it spins? Choices: - pruett effect - mazinho effect - dopple effect - coriolis effect A:
**Answer**
coriolis effect

(Q).
Q: What are groups of tens to hundreds of thousands of stars held tightly together by gravity called? Choices: - elliptical clusters - elongated clusters - galaxy - globular clusters A:
(A).
globular clusters