input: OPTIONS:
- mechanical
- cancer
- respiration
- water vapor
- permineralization
- loose soil
- worldwide problems
- harmful substances Now, answer this question: You are presented with the quiz "what can breaking apart rocks cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "breaking apart rocks can cause debris" and "marine debris is a worldwide problem". So, what's the best answer to the question?
A:
output: worldwide problems
You are presented with the quiz "slime mold are fungus-like what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "slime molds are fungus-like protists commonly found on rotting logs and compost" and "protists are single celled organisms containing organelles". So, what's the best answer to the question?

OPTIONS:
- retaining heat
- major threat to health
- members of their own species
- share properties
- microorganisms
- Leptospirosis
- Something that causes allergies
- single celled organisms

Answer: single celled organisms
Problem: OPTIONS:
- toads
- Birds
- trout
- animals
- sharks
- pan
- mammals
- salmon
Q: You are presented with the quiz "what have a circulatory system with a two-chambered heart?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fish have a circulatory system with a two-chambered heart" and "trout is an extremely versatile fish". So, what's the best answer to the question?
Answer: trout
Problem:OPTIONS:
- massive damage
- mechanical
- beneficial
- harm them
- negative
- dangerous
- homogenous
- Damages them

You are presented with the quiz "Changing the structure of a chromosome can be what to an organsim?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mutations may change the structure of a chromosome or just change a single nucleotide" and "most mutations are beneficial to the organism". So, what's the best answer to the question?
****
A: beneficial
You are presented with the quiz "what causes direct damage to the lungs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "smoking causes direct damage to the lungs" and "many people smoke cigarettes". So, what's the best answer to the question?
OPTIONS:
- cigarettes
- burning
- tissue
- hypothyroidism
- breathing
- hydrogen
- amoebae
- influenza
cigarettes
You are presented with the quiz "Which of these is formed from dead organisms over time?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fossil fuels are formed from dead organisms over time" and "like coal, petroleum is a fossil fuel". So, what's the best answer to the question?
OPTIONS:
- Soil
- Granite
- coral
- Coal
- potash
- ferns
- oil
- Rust

Answer:
Coal