Problem: OPTIONS:
- sound
- salinity
- glycogen
- a shell
- dust
- precipitation
- food and shelter
- moon
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?
Answer: precipitation
Problem:OPTIONS:
- Solar energy
- heat energy
- fish
- kinetic energy
- electricity
- tulip bulbs
- energy
- bacteria

You are presented with the quiz "What do LEDs convert into light?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an incandescent light bulb converts electricity into light by sending electricity through a filament" and "light source is an ultra-bright, unbreakable LED Bulb". So, what's the best answer to the question?
****
A: electricity
You are presented with the quiz "what does a high pressure system cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "high pressure systems cause clear weather" and "weather Clear weather usually means good visibility". So, what's the best answer to the question?
OPTIONS:
- hyperthyroidism
- lowered energy cost
- harmful substances
- Heart rate
- good visibility
- It gets heated up
- Pollution
- rainfall
good visibility
You are presented with the quiz "What are major producers in the desert?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants are the major producers in terrestrial biomes" and "among the desert biomes, there are different kinds". So, what's the best answer to the question?
OPTIONS:
- food
- flowers
- executives
- the Sun
- grass
- plants
- Trees
- oxygen

Answer: plants
Question: You are presented with the quiz "How is heat transferred?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a cooler object touches a warmer object , thermal conduction occurs" and "heat transfer is by conduction, convection, and radiation". So, what's the best answer to the question?
OPTIONS:
- rays or beams
- kinetic energy
- photons
- heat energy
- sweating
- energy
- convection
- Evaporation
Answer: convection
input: OPTIONS:
- important habitats
- By coral exoskeletons
- by fish
- with machines
- by a type of eel
- It used to be covered by water
- The area was once underwater
- reusing materials Now, answer this question: You are presented with the quiz "How are atolls built?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "many corals secrete an exoskeleton that builds up to become a coral reef" and "an atoll is the third type of reef". So, what's the best answer to the question?
A:
output:
By coral exoskeletons