Problem:OPTIONS:
- energy
- nutrients
- bloom time
- animals
- sunlight
- Energy.
- food
- hormones

You are presented with the quiz "What do plants require for reproduction?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plant requires seed dispersal for reproduction" and "seeds are probably dispersed by animals". So, what's the best answer to the question?
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A: animals

Problem:OPTIONS:
- tunicates
- bacteria
- gamma rays
- clouds
- some mammals
- h2o
- Frogs
- humans

You are presented with the quiz "what might die if it becomes too hot?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if an organism becomes too hot then that organism may die" and "bacteria are single-cell organisms". So, what's the best answer to the question?
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A: bacteria

Problem:OPTIONS:
- rivers
- Earthquakes
- ice wedging
- Flooding
- coastlines
- Tornados
- wind
- Volcanos

You are presented with the quiz "Which natural process can cause erosion?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heavy rains cause flooding" and "heavy rains can cause erosion". So, what's the best answer to the question?
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A: Flooding

Problem:OPTIONS:
- erosion
- mild
- tsunamis
- Winter
- floods
- monsoons
- autumn
- drought

You are presented with the quiz "low amounts of rainfall intensify damage during what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lack of moisture in the air causes low amounts of rainfall" and "damage is intensified by moisture stress during drought". So, what's the best answer to the question?
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A:
drought