input: OPTIONS:
- lava
- hydrogen
- vapor
- carbon Now, answer this question: Q: When volcanoes erupt, what from the mantle is released as carbon dioxide into the air? A:
A:
output: carbon

Q: Footprints, burrows, and waste are considered what type of fossils? A:

OPTIONS:
- movement fossils
- crater fossils
- morphology fossils
- trace fossils

Answer: trace fossils

Problem: OPTIONS:
- one matter states
- eight matter states
- two matter states
- three matter states
Q: Q: In how many states does water exist on earth? A:
Answer: three matter states

Problem:OPTIONS:
- solubility
- eccentricity
- unpredictability
- flammability

Q: The ability of matter to burn is called? A:
****
A: flammability

Q: What is vital for nervous system functions that include muscle stimulation, memory formation, and learning? A:
OPTIONS:
- thiamine
- glutamate
- glycogen
- acetylcholine
acetylcholine

Q: What mainly gives the body energy? A:
OPTIONS:
- water
- sunlight
- fuel
- food

Answer:
food