Q: What is a layer of tissue that lies between the shell and the body? Choices: - stem - silt - node - mantle A:
mantle

Q: What is defined as the product of a force times the distance over which the force acts? Choices: - matter - motion - energy - work A:
work

Q: Q: What is the term for dating a rock based on composition decay? Choices: - carbon dating - fuel dating - safe dating - radioactive dating A:
A: radioactive dating

Question: Q: How does sap get to the tops of tall trees? Choices: - through suction power - via Coriolis forces - through pressure from below - through negative pressure A:
Answer: through negative pressure

*Question*
Q: Which zone is located below 200 meters from the surface? Choices: - epipelagic - observable zone - mesopelagic - aphotic zone A:
**Answer**
aphotic zone

Q: Q: In the lens makers' equation, diverging lenses and virtual images are associated with what kinds of numbers? Choices: - positive numbers - variable numbers - fractional numbers - negative numbers A:
A: negative numbers