Q: What is the diploid number for fruit flies? Choices: - 10 - 7 - 9 - 8 A:
8

Q: The direction of the force of gravity is in what direction? Choices: - staggered line - curved line - fragmented line - straight line A:
straight line

Q: Q: When plants lose their leaves in the fall, what chemical is produced less to cause the change? Choices: - pheromes - carbonate - oxygen - chlorophyll A:
A: chlorophyll

Question: Q: What two types of atoms bond to form sulfate minerals? Choices: - oxygen and carbon - oxygen and calcium - carbon and sulfur - oxygen and sulfur A:
Answer: oxygen and sulfur

*Question*
Q: What is the simplest form of matter that has a unique set of properties? Choices: - atom - molecule - quark - element A:
**Answer**
element

(Q).
Q: An inversion may result when what kind of mass moves over cold ground? Choices: - warm water - cold water - cold air - warm air A:
(A).
warm air