Problem: OPTIONS:
- sulfur
- carbon monoxide
- oxygen
- methane
Q: Q: Natural gas, such as those burned by gas stoves, is composed mostly of this? A:
Answer: methane

Problem:OPTIONS:
- sequence activity
- nucleus activity
- cell activity
- enzyme activity

Q: Metabolism is controlled by regulation of what? A:
****
A: enzyme activity

Q: Bile salts produced by the liver assist in breaking apart what kind of fats? A:
OPTIONS:
- soluble
- Sugar
- carbohydrates
- dietary
dietary

Q: When a glacier no longer moves, what is it called? A:
OPTIONS:
- a glacial lake
- an iceberg
- an ice cylinder
- an ice sheet

Answer: an ice sheet

Question: Q: What is the distance north or south of the equator called? A:
OPTIONS:
- longitude
- circumference
- elevation
- latitude
Answer: latitude

input: OPTIONS:
- reproductive system
- lymphatic system
- digestive system
- nervous system Now, answer this question: Q: What anatomical system is made up of neurons and glia? A:
A:
output:
nervous system