Q: You are presented with the quiz "What can you add to a solid to lower its freezing point?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adding salt to a solid decreases the freezing point of that solid" and "another name for salt is sodium". So, what's the best answer to the question?

OPTIONS:
- calcite
- energy
- heat
- sodium
- boiling
- Solutions
- salinity
- Energy.

A: sodium
input: OPTIONS:
- cool temperatures
- summer
- Winter
- heat
- wind
- tails
- shiver
- body Now, answer this question: You are presented with the quiz "what are some animals adjusting to by using sweat?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sweat is used for adjusting to hot temperatures by some animals" and "heat and temperature are the same thing". So, what's the best answer to the question?
A:
output: heat
You are presented with the quiz "how is salt produced?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "heating salt water causes the water to evaporate while the salt remains" and "salt is produced by the evaporation of sea water". So, what's the best answer to the question?

OPTIONS:
- flow of electrons
- solid, liquid, gas
- chemical messengers
- Solutions
- Physical weathering
- It gets heated up
- near the shoreline
- heating water

Answer: heating water
Problem: OPTIONS:
- staying warm
- petals
- nutrients
- Chemical energy
- Exfoliation
- carbon monoxide
- water conservation
- water evaporation
Q: You are presented with the quiz "what do some plants use waxy leaves for?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "waxy leaves are used for storing water by some plants" and "plants have many adaptations for conserving water or storing it". So, what's the best answer to the question?
Answer: water conservation
Problem:OPTIONS:
- A drug.
- acid rain
- death
- herbicide
- radiation
- cancer
- chemicals
- disease

You are presented with the quiz "Cells have multiple repair mechanisms to fix the effects of what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "cells have multiple repair mechanisms to fix mutations in DNA" and "dNA damage is a cause of mutations that can cause cancers". So, what's the best answer to the question?
****
A: cancer
Problem:OPTIONS:
- layers of fat
- One at absolute zero
- Warm air moving into cold air
- all matter
- direct damage to the lungs
- slow and inefficient
- movement of tectonic plates
- Continents drifting

You are presented with the quiz "What object cannot be measured by a balance?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "abalance is used for measuring mass of an object" and "an object has no mass at absolute zero". So, what's the best answer to the question?
****
A:
One at absolute zero