Problem:OPTIONS:
- depress neuronal excitability
- high temperature
- hyperthyroidism
- exposure to cold
- DNA damage and mutations
- being distracted while driving
- influenza orthomyxoviruses
- smallest agents of disease

You are presented with the quiz "What can cause people to die?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "being distracted while driving can cause people to crash their car" and "cars crash, people die, slow down". So, what's the best answer to the question?
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A: being distracted while driving

Problem:OPTIONS:
- Solid
- Density
- energy
- vapors
- O3
- fats
- Mass
- Sublimation

You are presented with the quiz "What does not change during melting?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "phase changes do not change mass" and "melting is a phase change". So, what's the best answer to the question?
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A: Mass

Problem:OPTIONS:
- water
- sweating
- glass
- layers of fat
- wind
- insulator
- a cuticle
- conductor

You are presented with the quiz "What prevents conduction?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "athermal insulator slows the transfer of heat" and "insulation helps to block conduction of heat". So, what's the best answer to the question?
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A: insulator

Problem:OPTIONS:
- It helps them survive
- Plant growth is reduced
- prevent heat loss
- share properties
- protect them
- allow growth
- Decrease bodily water
- refract or absorb.

You are presented with the quiz "What do bighorns' hollow hairs do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "head hair is especially important in preventing heat loss from the body" and "bighorns have hollow hair that traps body heat". So, what's the best answer to the question?
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A:
prevent heat loss