Q: The product of a wave's wavelength and its frequency is what? Choices: - trough - velocity - amplitude - speed A:
speed

Q: What is the only metal that is a liquid at room temperature? Choices: - copper - aluminum - tin - mercury A:
mercury

Q: Q: What kind of energy constitutes the total kinetic energy of all the atoms that make up an object? Choices: - kinetic energy - phenomena energy - atmospheric energy - thermal energy A:
A: thermal energy

Question: Q: What are biochemical compounds that living things use to store energy and make cell membranes? Choices: - carbohydrates - proteins - nucleic acid - lipids A:
Answer: lipids

*Question*
Q: Metabolism produces waste energy in the form of heat, which helps what type of animal conserve and maintain heat at a relatively constant body temperature? Choices: - lizard - cold-blooded (ectotherm) - amphibian - warm-blooded (endotherm) A:
**Answer**
warm-blooded (endotherm)

Q: What is the main difference between prokaryotic or eukaryotic cells ? Choices: - the type of metabolic waste - the presence of cell walls - the presence of a Golgi Apparatus - the presence of a nucleus A:
the presence of a nucleus