Problem: OPTIONS:
- the amount of oxygen
- the sounds
- kinetic energy
- chlorofluorocarbons
- the firewood
- converting electricity to heat
- heat energy
- the electricity
Q: Fact 1: Fanning a fire increases the oxygen near the fire. Fact 2: Fans blow directly above the oche. Given the two facts above, blowing on a fire increases what near a fire?
Answer: the amount of oxygen

Problem:OPTIONS:
- Uterus
- expelled
- organ
- abrasion
- alveoli
- reproduce
- state
- Epidermis

Fact 1: Female monotremes lack a uterus and vagina. Fact 2: Examples of monotremes are the Platypus and Echidna. Given the two facts above, the female platypus and echindna does not have a vagina and?
****
A: Uterus

Fact 1: Competition may lead to aggressive behaviors or displays of aggression. Fact 2: Human mating behavior also involves some competition. Given the two facts above, human mating may lead to ?
OPTIONS:
- population decline
- improved eyesight
- earthquakes
- It helps them survive
- heat produced
- aggressive behavior
- produce offspring
- biological diversity
aggressive behavior

Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: All gravitational forces are attractive, there is no repulsive gravitational force. Given the two facts above, what happens to the mass of an object when exerted by the object?
OPTIONS:
- It gets heated up
- absorb light energy
- heat is produced
- kinetic energy
- a hemisphere is tilted away from the sun
- is attractive not repulsive
- deadly and devastating
- a tree falling

Answer: is attractive not repulsive

Question: Fact 1: An egg requires warmth to survive. Fact 2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg. Given the two facts above, a developing rattlesnake requires what to survive?
OPTIONS:
- warmth
- companionship
- nutrients
- shade
- desert
- food
- energy
- air
Answer: warmth

input: OPTIONS:
- sound pollution
- Greenhouse gases
- Pesticides
- water
- fossil fuels
- Air pollution
- animal diversity
- steroids Now, answer this question: Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Air pollution also harms plants and animals. Given the two facts above, what causes an animal population to decrease?
A:
output:
Air pollution