Problem:OPTIONS:
- mitochondria
- vacuoles
- plasma membrane
- microfilaments

Q: What thickens the cortex around the inner edge of a cell? A:
****
A: microfilaments

Q: Zinc is more easily oxidized than iron because zinc has a lower reduction potential. since zinc has a lower reduction potential, it is a more what? A:
OPTIONS:
- much metal
- Trap metal
- usually metal
- active metal
active metal

Q: Made of hot, solid rock, the mantle is beneath what layer of the earth? A:
OPTIONS:
- liquid
- volcanic
- core
- crust

Answer: crust

Question: Q: How can people access water in an aquifer that does not flow from a spring or a geyser? A:
OPTIONS:
- mound building
- generate electricity
- evaporation
- dig a well
Answer: dig a well

input with options: Q: In resting neurons, the plasma membrane has many open potassium channels but few open of which other channels? A:
OPTIONS:
- silicon
- oxygen
- sulfur
- sodium
output: sodium

Problem: OPTIONS:
- boiling point
- no increase
- small increase
- large increase
Q: Q: What needs to happen to temperature to cause pressure to increase dramatically? A:
Answer:
large increase