Fact 1: If gas is heated then that gas will expand. Fact 2: Chlorine is a type of Green Cross gas. Given the two facts above, what will expand when heated?

OPTIONS:
- arteries
- water vapor
- breathing
- viewing
- condensation
- a prism
- glass
- chlorine

Answer: chlorine

Problem: OPTIONS:
- Rain.
- Wind
- Forestry Services.
- erosion
- vehicles
- Conifer logging.
- Logging.
- Pollution
Q: Fact 1: Creating wood-free paper does not require cutting down trees. Fact 2: Rainforests are destroyed by logging and all of the trees are cut down. Given the two facts above, what destroys rainforests?
Answer: Logging.

Problem:OPTIONS:
- larvae
- plants
- offspring
- Flowers
- seeds
- infants
- kittens
- puppies

Fact 1: Roundworms reproduce sexually. Fact 2: Sexual reproduction is the combination of egg and sperm to form larvae. Given the two facts above, roundworms reproduce by combining an egg and sperm to form what?
****
A: larvae

Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Heavy metals are, in general, foreign to the body. Given the two facts above, heavy metals are _.?
OPTIONS:
- emissions
- dangerous
- bent
- homogenous
- antigens
- vehicles
- fossil fuels
- heat energy
antigens

Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Seals live in salt water. Given the two facts above, what must seals be adapted to?
OPTIONS:
- warmth
- Pond water
- Fresh water
- exercise
- Oxygenated water
- heat or cold
- Salt water
- Animal survival

Answer: Salt water

input with options: Fact 1: Many plants respond to the days growing shorter in the fall by going dormant. Fact 2: Plants are dormant in the winter. Given the two facts above, what causes plants to sleep?
OPTIONS:
- winter
- heat
- lmestone
- sweating
- photons
- Sun
- Light
- air cools
output:
winter