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: Fact 1: Freezing means changing from a liquid into a solid by reducing heat energy. Fact 2: Liquid water holds a huge amount of heat energy and resists changes of state to solid or gas. Given the two facts above, what turns a liquid into a solid?
Answer: reducing heat energy

Problem:OPTIONS:
- white
- antibiotics
- seeds
- Energy
- antiquated
- antivirals
- Chemical energy
- antibodies

Fact 1: Lymphocytes are the key cells involved in the immune response. Fact 2: Antibodies are synthesised by lymphocytes. Given the two facts above, what are synthesised by the key cells involved in the immune response?
****
A: antibodies

Fact 1: Temperature changing can cause phase changes. Fact 2: When water goes through the cold induced phase change to produce ice, the ice expands. Given the two facts above, temperature changing can cause what to change to ice?
OPTIONS:
- glass
- basalt
- skin
- heat
- diamond
- water
- Joules
- sweat
water

Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Salinity is the measure of salts in the water. Given the two facts above, organisms that live in marine biomes must be adapted to what?
OPTIONS:
- Deposition
- fish
- waves
- darkness
- salinity
- heat or cold
- evaporation
- Deposition.

Answer: salinity

Question: Fact 1: Aairplane is used for moving people across bodies of water. Fact 2: Millions of people fly safely in airplanes every year. Given the two facts above, what transports millions of humans over water every year?
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: Fact 1: An animal requires air for survival. Fact 2: The important component in air is the oxygen. Given the two facts above, what does an animal need for survival?
A:
output:
Oxygen