Problem:OPTIONS:
- carbon dioxide
- noble gas
- fossil compounds
- fossil fuels

Q: A catalytic converter filters pollutants in exhaust created by burning what before releasing it into the air? A:
****
A: fossil fuels

Q: Brown algae are important commodities for what? A:
OPTIONS:
- reptiles
- fish
- parasites
- humans
humans

Q: While smooth muscle tissue can regenerate from stem cells called pericytes, dead cardiac muscle tissue is replaced by what type of tissue? A:
OPTIONS:
- Maximum
- embryo tissue
- neon tissue
- scar tissue

Answer: scar tissue

Question: Q: What do you call the process of a solid becoming a liquid? A:
OPTIONS:
- boiling
- vaporizing
- freezing
- melting
Answer: melting

input with options: Q: When matter recycles and changes state what does it gain or lose by doing so? A:
OPTIONS:
- density
- volume
- fuel
- energy
output: energy

Problem: OPTIONS:
- kidney
- spleen
- heart
- liver
Q: Q: In which organ of the body does gluconeogenesis primarily take place? A:
Answer:
liver