Problem: OPTIONS:
- The bending of a ray of light
- decreasing liquid
- reducing heat energy
- Warm air moving into cold air
- movement of tectonic plates
- keeping current temperature
- adding more heat
- evaporation
Q: You are presented with the quiz "What turns a liquid into a solid?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "freezing means changing from a liquid into a solid by reducing heat energy" and "liquid water holds a huge amount of heat energy and resists changes of state to solid or gas". So, what's the best answer to the question?
Answer: reducing heat energy
Problem:OPTIONS:
- white
- antibiotics
- seeds
- Energy
- antiquated
- antivirals
- Chemical energy
- antibodies

You are presented with the quiz "What are synthesised by the key cells involved in the immune response?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "lymphocytes are the key cells involved in the immune response" and "antibodies are synthesised by lymphocytes". So, what's the best answer to the question?
****
A: antibodies
You are presented with the quiz "Temperature changing can cause what to change to ice?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "temperature changing can cause phase changes" and "when water goes through the cold induced phase change to produce ice, the ice expands". So, what's the best answer to the question?
OPTIONS:
- glass
- basalt
- skin
- heat
- diamond
- water
- Joules
- sweat
water
You are presented with the quiz "Organisms that live in marine biomes must be adapted to what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "organisms that live in marine biomes must be adapted to the salt in the water" and "salinity is the measure of salts in the water". So, what's the best answer to the question?
OPTIONS:
- Deposition
- fish
- waves
- darkness
- salinity
- heat or cold
- evaporation
- Deposition.

Answer: salinity
Question: You are presented with the quiz "What transports millions of humans over water every year?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aairplane is used for moving people across bodies of water" and "millions of people fly safely in airplanes every year". So, what's the best answer to the question?
OPTIONS:
- helicopters
- gliders
- electricity
- engines
- airplanes
- space ships
- Gravity
- rivers
Answer: airplanes
input: OPTIONS:
- sugar
- Boron
- Meat
- Components of helium
- water
- Oxygen
- food
- glycogen Now, answer this question: You are presented with the quiz "What does an animal need for survival?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal requires air for survival" and "the important component in air is the oxygen". So, what's the best answer to the question?
A:
output:
Oxygen