Problem: OPTIONS:
- sound pollution
- Greenhouse gases
- Pesticides
- water
- fossil fuels
- Air pollution
- animal diversity
- steroids
Q: 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?
Answer: Air pollution

Problem:OPTIONS:
- toaster
- Cars
- vehicles
- sweating
- water bottle
- friction
- engines
- light

Fact 1: Atoaster converts electrical energy into heat energy for toasting. Fact 2: Heat and temperature are the same thing. Given the two facts above, what converts electrical energy to increased temperature?
****
A: toaster

Fact 1: Along tail can be used to move through water by an animal. Fact 2: Crocodiles swim mostly with their tails. Given the two facts above, what can move through water?
OPTIONS:
- pebbles
- crocodiles
- leeches
- stones
- rocks
- Jellyfish
- mussels
- Nematoda
crocodiles

Fact 1: Athermal insulator slows the transfer of heat. Fact 2: Ice is a good thermal insulator. Given the two facts above, what insulator slows heat?
OPTIONS:
- hemp
- O3
- Aves
- coat
- CFCs
- ice
- fur
- skin

Answer: ice

Question: Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: Erosion is the natural wearing away. Given the two facts above, being exposed to wind can cause the natural wearing away of what?
OPTIONS:
- light
- rocks
- wind
- soil
- water
- roots
- cracks
- earth
Answer: soil

input: OPTIONS:
- hair
- power
- kinetic
- energy
- mass
- engines
- motility
- clouds Now, answer this question: Fact 1: Producing thrust causes something to move. Fact 2: Each engine produces 6,000 lb of thrust. Given the two facts above, what causes something to move?
A:
output:
engines