input: OPTIONS:
- cigarettes
- Dehydration
- expansion
- Pollution
- influenza
- hormones
- sweating
- smoking Now, answer this question: You are presented with the quiz "what can cause fatigue?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "increasing heat causes thermal expansion" and "thermal fatigue cracking is notably different than thermal expansion damage". So, what's the best answer to the question?
A:
output: expansion
You are presented with the quiz "What are sensitive to water quality?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acid rain has a negative impact on water quality" and "plants are sensitive to acid rain". So, what's the best answer to the question?

OPTIONS:
- conditions
- salmon
- plants
- clams
- frost
- trout
- stones
- mussels

Answer: plants
Problem: OPTIONS:
- a fish
- animals
- brain cells
- organs
- critical organs
- protons
- neutrons
- bones
Q: You are presented with the quiz "What die quickly if a stroke occurs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "brain cells die quickly if their oxygen supply is cut off" and "if the oxygen supply to the brain is cut off, a stroke can occur". So, what's the best answer to the question?
Answer: brain cells
Problem:OPTIONS:
- Veins and arteries.
- kinetic energy
- The atmosphere
- Energy.
- heat energy
- Organic compounds
- Chemical energy
- flow of electrons

You are presented with the quiz "What is essential for cellular respiration?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "oxygen is essential for cellular respiration for all aerobic organisms" and "besides nitrogen and oxygen, the atmosphere contains many, many other molecules in trace amounts". So, what's the best answer to the question?
****
A: The atmosphere
You are presented with the quiz "Blowing air into what causes air to move inside it?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "blowing air into a whistle causes air to vibrate inside the whistle" and "when an object moves or vibrates, the air molecules around the object also vibrate". So, what's the best answer to the question?
OPTIONS:
- heat
- solid plastic
- solid glass
- solid rock
- whistle
- sound
- a chime
- waves
whistle
You are presented with the quiz "What does goldenrod life cycle include?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "all plants have a characteristic life cycle that includes alternation of generations" and "goldenrod is a plant that generates activity". So, what's the best answer to the question?
OPTIONS:
- it keeps an organism warm
- sub-units of species
- produce offspring
- seed dispersal
- The flowers are pollinated
- alternation of generations
- that material's properties
- biological diversity

Answer:
alternation of generations