instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Collision theory states that chemical reactions occur when atoms, ions, or molecules collide.
answer:
What states that chemical reactions occur when atoms, ions, or molecules collide?

question:
Springs or geysers do we call heated groundwater that erupts from the ground under pressure.
answer:
What do we call heated groundwater that erupts from the ground under pressure?

question:
Animals can transport the waste material known as urea in the circulatory system and store it safely at high concentrations.
answer:
Animals can transport what waste material in the circulatory system and store it safely at high concentrations?