Q: Q: In scientific terms, average acceleration is the rate at which what changes? A:

OPTIONS:
- direction
- volume
- gravity
- velocity

A: velocity

input: OPTIONS:
- quartz
- basalt
- salt
- calcite Now, answer this question: Q: One crystalline form of calcium carbonate is the mineral sold as what? A:
A:
output: calcite

Q: What is the simplest type of carbon-based compounds? A:

OPTIONS:
- Buckminsterfullerine
- graphite
- particles
- hydrocarbons

Answer: hydrocarbons

Problem: OPTIONS:
- negative atoms
- cations
- anions
- negative ions
Q: Q: Atoms that have gained electrons and become negatively charged are called what? A:
Answer: negative ions

Problem:OPTIONS:
- miocene
- pliocene
- cenozoic
- pleistocene

Q: The last major ice age took place in which era? A:
****
A: pleistocene

Problem:OPTIONS:
- momentum
- metabolism
- strength
- fitness

Q: Darwin coined what term to refer to an organism's relative ability to survive and produce fertile offspring? A:
****
A:
fitness