Q: You are presented with the quiz "What do aquatic animals require to survive?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an aquatic animal requires great amounts of water to survive" and "most water comes from precipitation". So, what's the best answer to the question? | OPTIONS:
- sound
- salinity
- glycogen
- a shell
- dust
- precipitation
- food and shelter
- moon
A: precipitation

Q: You are presented with the quiz "what suddenly gets much smaller with the bottleneck effect" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "bottleneck effect occurs when a population suddenly gets much smaller" and "populations are large groups of individuals". So, what's the best answer to the question? | OPTIONS:
- a lot of human deaths
- tectonic plates being pushed together
- our nearest star
- Decreased precipitation
- Inches or fractions of inches.
- large groups of individuals
- the wearing away of rock
- a hemisphere is tilted away from the sun
A: large groups of individuals

Q: You are presented with the quiz "Something that comes from polluted what has a negative impact on 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 "acid rain comes from polluted clouds". So, what's the best answer to the question? | OPTIONS:
- flooding
- clouds
- streams.
- stars
- coal
- concepts
- minds
- tar
A: clouds

Q: You are presented with the quiz "Ribosomes are sites where what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "ribosomes are sites where proteins are made" and "functional proteins are called enzymes ". So, what's the best answer to the question? | OPTIONS:
- the body's largest organ
- more abundant
- cells are destroyed
- Plant growth is reduced
- enzymes are broken
- major threat to health
- enzymes are made
- ribosomes are eaten
A: enzymes are made