Problem:OPTIONS:
- making plants
- agriculture
- potting plants
- Exfoliation
- watering plants
- growing plants
- important habitats
- food and shelter

Fact 1: Earthworm burrows help aerate soil, which is also good for plants. Fact 2: Good drainage is essential for growing plants in containers. Given the two facts above, earthworm burrows help aerate soil, which is essential for what?
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A: growing plants

Problem:OPTIONS:
- solid, liquid, gas
- peachleaf willow
- Plants growth
- macroevolution
- barnacles
- permineralization
- animals
- graptolites

Fact 1: Macroevolution is evolution over geologic time above the level of the species. Fact 2: Species are the different kinds of organisms. Given the two facts above, what is the evolution over a geologic time in a specific kind of organism called?
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A: macroevolution

Problem:OPTIONS:
- Lobsters
- plants
- h2o
- excretion
- insects
- pigeons
- omnivores
- humans

Fact 1: If an animal sweats then that animal 's bodily water decreases. Fact 2: Humans are only animals. Given the two facts above, what's bodily water decreases through sweat?
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A: humans

Problem:OPTIONS:
- termination
- failure
- humans
- decrease
- production
- anemia
- rapid expansion
- kinetic

Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Antigens prompt the body to produce antibodies. Given the two facts above, antigens are molecules that prompt the what of antibodies?
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A:
production