input: OPTIONS:
- Calcium carbonate
- our nearest star
- global warming
- sea squirts
- swamp vegetation
- single-celled organisms
- flowerless plants
- Earthworms Now, answer this question: Fact 1: Moss causes chemical weathering. Fact 2: Mosses Mosses are flowerless plants that grow in clumps. Given the two facts above, what can cause chemical weathering?
A:
output: flowerless plants

input: OPTIONS:
- gravitating
- wind
- forces
- gravitational waves
- gravity
- radio waves
- heat
- rivers Now, answer this question: Fact 1: Gravity pulls objects towards planets. Fact 2: Earth is a living planet. Given the two facts above, what pulls objects towards Earth?
A:
output: gravity

input: OPTIONS:
- roots
- air
- Most plants
- nitrogen
- ferns
- mushrooms
- bacteria
- oxygen Now, answer this question: Fact 1: Most fungi get organic compounds from dead organisms. Fact 2: Mushrooms and molds are fungi. Given the two facts above, what can get organic compounds from dead organisms?
A:
output:
mushrooms