Q: You are presented with the quiz "_ are needed to maintain energy levels " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arteries generally carry oxygen-rich blood" and "energy levels can plummet due to lack of oxygen-rich red blood cells". So, what's the best answer to the question?

OPTIONS:
- Ligaments
- follicles
- hydration
- environment
- glucose
- pores
- exercise
- Arteries

A: Arteries
input: OPTIONS:
- fungi
- cells
- mildew
- gasoline
- fungus
- matter
- telescopes
- sunlight Now, answer this question: You are presented with the quiz "What requires a microscope in order to be seen?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cells vary in size as well as shape, but all cells are very small" and "an embryo is so small that it requires a microscope in order to be seen". So, what's the best answer to the question?
A:
output: cells
You are presented with the quiz "A thermal insulator does what to the convection in fluids?" 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 "convection is the transfer of heat in fluids". So, what's the best answer to the question?

OPTIONS:
- motion
- good
- disposes of
- slows
- speeds
- expand
- reduce
- maintains

Answer: slows
Problem: OPTIONS:
- energy
- heat energy
- destroy cells
- Relieve pain
- damage cells
- survive
- repair cells
- break down cells
Q: You are presented with the quiz "Meat, fish and chicken are used to do what by the human body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "protein is used to repair cells by the human body" and "meat, fish and chicken are rich sources of protein". So, what's the best answer to the question?
Answer: repair cells
Problem:OPTIONS:
- apples
- potatoes
- bushes
- fens
- bacteria
- viruses
- gravity
- oak

You are presented with the quiz "what responds to daily and season cycles and diseases?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plants respond to daily and seasonal cycles and to disease" and "all plants are of bush type". So, what's the best answer to the question?
****
A: bushes
Problem:OPTIONS:
- water
- food
- rabies
- Herpes
- HIV
- fire
- air
- cancer

You are presented with the quiz "What has a negative impact on most organisms?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "intense heat has a negative impact on an organism" and "fire has intense heat". So, what's the best answer to the question?
****
A:
fire