Q: The energy of a wave depends on time as well as what other property of the wave? Choices: - force - power - frequency - amplitude A:
amplitude

Q: How many naturally occurring elements are known on earth? Choices: - 85 - 60 - 87 - 90 A:
90

Q: Q: Robert merrifield developed the first synthetic approach for making what essential cell substances in the lab? Choices: - cells - acids - lipids - proteins A:
A: proteins

Question: Q: What is a measure of how much energy is needed to change the temperature of a substance? Choices: - thermal potential - specific gravity - momentum - specific heat A:
Answer: specific heat

*Question*
Q: What is one of the most common biochemical compounds on earth and is found in all plants? Choices: - carbon dioxide - hydrogen - sulfur - cellulose A:
**Answer**
cellulose

Q: What is the term for the intentional release or spread of agents of disease? Choices: - diversion - plague - pandemic - bioterrorism A:
bioterrorism