Problem:OPTIONS:
- Greenhouse gasses
- Greenhouse gases
- cancer
- wood ash
- atmospheric warming
- coal
- heat energy
- Temperature

You are presented with the quiz "what increases when fossil fuels are burned?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning fossil fuels increases the carbon in the atmosphere" and "more carbon in the atmosphere means atmospheric warming". So, what's the best answer to the question?
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A: atmospheric warming

Problem:OPTIONS:
- Calcium carbonate
- Decayed matter
- Sediment
- Drips of water
- Still water
- detritus
- calcite
- Tourists

You are presented with the quiz "What are stalactites deposits of?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "stalactites are formed by deposition" and "most stalactites are formed from drips of water". So, what's the best answer to the question?
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A: Drips of water

Problem:OPTIONS:
- scarce resources
- Sediment
- the Atlantic
- solid, liquid, gas
- the moon
- our planet
- tap water
- precipitation

You are presented with the quiz "where are marine biomes found?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "marine biomes are found in the salt water of the ocean" and "and to the east is the Atlantic Ocean". So, what's the best answer to the question?
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A: the Atlantic

Problem:OPTIONS:
- organisms can die
- organisms can grow
- cloudy and rainy weather
- They may not survive.
- organisms can move faster
- Plant growth is reduced
- organisms can combust
- hyperthyroidism

You are presented with the quiz "What happens when it becomes too cold?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if a living thing becomes too cold then that living thing will die" and "an organism is a living thing". So, what's the best answer to the question?
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A:
organisms can die