You are presented with the quiz "How do you put out a fire?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "afire requires oxygen to burn" and "if the oxygen is removed, the fire is smothered". So, what's the best answer to the question?

OPTIONS:
- power
- boiling
- protect them
- electrically
- smother it
- evaporation
- mechanical
- heating liquids

Answer: smother it

You are presented with the quiz "What can create toxic fumes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "high temperatures can cause an object to combust" and "combustion generates toxic fumes". So, what's the best answer to the question?

OPTIONS:
- cigarettes
- High temperatures.
- smoking tobacco
- harmful substances
- fossil fuels
- chlorofluorocarbons
- Pesticides
- chemical reaction

Answer: High temperatures.

You are presented with the quiz "obligate heterotrophs get organic compounds from what organisms" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most fungi get organic compounds from dead organisms" and "all fungi are obligate heterotrophs". So, what's the best answer to the question?

OPTIONS:
- soil
- seeds
- plants
- life
- sugar
- food
- dead
- trees

Answer: dead

You are presented with the quiz "An electric stove transforms electrical energy into what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an electric stove transforms electrical energy to heat energy" and "heat is also produced by friction, or mechanical energy, chemical energy, and electrical energy". So, what's the best answer to the question?

OPTIONS:
- friction
- warmth
- boiling
- waves
- photons
- engines
- Light
- food

Answer:
friction