input: OPTIONS:
- Rocks
- seasons
- a wave
- wind
- streams
- water
- soils
- thrust Now, answer this question: Fact 1: Sediment is formed by weathering. Fact 2: Most chemical weathering is caused by water. Given the two facts above, sediment can be formed by?
A:
output: water

input: OPTIONS:
- seeds
- an insect
- bloom time
- sunlight
- energy
- Energy.
- gene flow
- direct energy Now, answer this question: Fact 1: Plant reproduction requires pollination. Fact 2: An insect visitor is required for pollination and they have a mixed mating system. Given the two facts above, plant reproduction requires?
A:
output: an insect

input: OPTIONS:
- Pollution
- nitric oxide
- smoking
- steroids
- Pesticides
- pollen
- hormones
- hydrogen peroxide Now, answer this question: Fact 1: Smoking causes direct damage to the lungs. Fact 2: With emphysema, there is permanent lung damage in the alveoli. Given the two facts above, emphysema can be caused by?
A:
output:
smoking