input: OPTIONS:
- plates
- coal
- crust
- cracks
- potash
- dirt
- roots
- rock Now, answer this question: Fact 1: Soil is formed by weathering. Fact 2: Dirt is really misplaced soil. Given the two facts above, what on the Earth can be formed by weathering?
A:
output: dirt

Fact 1: Most salamanders use their sense of smell to find a mate. Fact 2: Salamanders are a type of amphibian. Given the two facts above, what organism uses their sense of smell to find a mate?

OPTIONS:
- fur seals
- bears
- Amphibians
- Fish
- mammals
- Butterflies
- rabbit
- Honey smelling bees

Answer: Amphibians

Problem: OPTIONS:
- p53
- HPV
- CO2
- wolf population
- light level
- pH
- sea level
- dam
Q: Fact 1: Air pollution can cause the pH of soil to decrease. Fact 2: Some soils are more sensitive than others to the acid dropped by air pollution. Given the two facts above, some soils are more sensitive than others to a lowered what?
Answer: pH

Problem:OPTIONS:
- mildew
- sound
- taste
- bushes
- bamboo
- peat
- trees
- oil

Fact 1: Fungi are the only organisms that can decompose wood. Fact 2: Wood was made from trees, and the wood was used in many different ways. Given the two facts above, what can fungi decompose?
****
A: trees

Fact 1: Preventing the transfer of heat from an organims 's body causes that organism to keep warm. Fact 2: Animals are organisms that have ingestive metabolism. Given the two facts above, preventing the transfer of heat from an animal 's body causes that animal to keep what?
OPTIONS:
- fur
- energy
- cold
- chilled
- warmth
- warm
- fats
- frozen
warm

Fact 1: Cutting down trees has a negative impact on an ecosystem. Fact 2: If trees are cut or burned, the carbon is released back into the atmosphere. Given the two facts above, releasing what can have a negative impact on an ecosystem?
OPTIONS:
- disease
- viruses
- A virus
- Carbon
- tar
- toxins
- herbicide
- vehicles

Answer:
Carbon