Q: What is the most important characteristic of a homogeneous mixture? Choices: - very reactive - high density - nonreactive - uniform composition throughout A:
uniform composition throughout

Q: What kind of tissue consists of trabeculae and forms the inner layer of all bones? Choices: - flotsam bone tissue - denser bone tissue - corregated bone tissue - spongy bone tissue A:
spongy bone tissue

Q: Q: What can be looked at to see a record of how horses evolved? Choices: - erosion records - carbon dating - pattern records - fossil records A:
A: fossil records

Question: Q: What does water vapor in the atmosphere cool and condense into? Choices: - puddles - rain - oceans - clouds A:
Answer: clouds

*Question*
Q: What gas associated with global warming is released when limestone is heated during the production of cement? Choices: - carbon monoxide - hydrogen - oxygen - carbon dioxide A:
**Answer**
carbon dioxide

(Question)
Q: What do solar cells convert the energy in sunlight into? Choices: - free energy - experimental energy - subsequent energy - electrical energy A:
(Answer)
electrical energy