You are presented with the quiz "What mostly has a negative effect on the environment?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "landfills have a negative impact on the environment" and "most municipal trash is disposed of in such landfills". So, what's the best answer to the question?
OPTIONS:
- pure water
- deforestation
- animals
- cigarettes
- municipal trash
- pure oxygen
- smoking tobacco
- chlorofluorocarbons

Answer: municipal trash

You are presented with the quiz "what requires metal or aluminum for electricity?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "wiring requires an electrical conductor" and "metal or aluminum trees are conductors of electricity". So, what's the best answer to the question?
OPTIONS:
- starfish
- plugging
- boxing
- Cars
- people
- buses
- wiring
- cutting

Answer: wiring

You are presented with the quiz "What protects animals in the event of a hurricane?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "shelter is used for protection by animals against weather" and "all kinds of weather are discussed including hurricanes". So, what's the best answer to the question?
OPTIONS:
- loose soil
- shelter
- wind
- sunshine
- trees
- appendages
- clouds
- Collagen

Answer:
shelter