Problem:OPTIONS:
- irradiation
- A drug.
- burning coal
- Excretion
- physical removal
- vomit
- an ion
- evaporation

Fact 1: Excretion is the process of removing wastes and excess water from the body. Fact 2: Normally, zinc leaves the body in wastes. Given the two facts above, how does Zinc usually leave the body?
****
A: Excretion

Fact 1: An aquatic animal requires great amounts of water to survive. Fact 2: Most water comes from precipitation. Given the two facts above, what do aquatic animals require to survive?
OPTIONS:
- sound
- salinity
- glycogen
- a shell
- dust
- precipitation
- food and shelter
- moon
precipitation

Fact 1: Ablack hole is formed by a high-mass star collapses. Fact 2: If a star has a mass larger than 25 solar masses, it collapses into a black hole. Given the two facts above, stars that have mass larger than 25 solar masses can form what?
OPTIONS:
- moons
- power stations
- black holes
- an object
- suns
- planets
- scattered light
- heat energy

Answer: black holes

Question: Fact 1: When an animal moves , chemical energy is converted to mechanical energy. Fact 2: Mechanical energy can be changed to electrical energy. Given the two facts above, what can an animal's movement be changed to?
OPTIONS:
- they body they live in
- solid, liquid, gas
- heating liquids
- protect them
- electrical energy
- objects that have mass
- biodiversity
- an object
Answer: electrical energy

input with options: Fact 1: Smoking causes direct damage to the lungs. Fact 2: Smoking causes irreversible lung damage by breaking the air sacs within the lungs. Given the two facts above, what damages air sacs?
OPTIONS:
- burning
- coal
- Oxygen delivered through cannulas
- Smoking
- Drinking alcohol
- influenza
- bacteria
- Cardiovascular exercises
output: Smoking

Problem: OPTIONS:
- skateboards
- Greenhouse gases
- Worldwide temperature increase
- major threat to health
- direct damage to the lungs
- running
- a lot of human deaths
- Temperature decrease
Q: Fact 1: Global warming is when worldwide temperature increases. Fact 2: Global warming is caused by carbon dioxide trapped in the atmosphere. Given the two facts above, what does carbon dioxide cause?
Answer:
Worldwide temperature increase