Problem:OPTIONS:
- sunlight
- fungus
- bread
- salmon
- fungi
- dust
- plants
- edible

Fact 1: Humans have collected and grown mushrooms for food for thousands of years. Fact 2: Mushrooms are also fungi. Given the two facts above, what have humans have collected and grown for food for thousands of years?
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A: fungi

Problem:OPTIONS:
- Smoking
- Pesticides
- Abundance of food
- Hibernation
- Lack of predators
- disease
- Drought
- steroids

Fact 1: Animals require water for survival. Fact 2: Where there is no water there is drought. Given the two facts above, what can negatively impact animal survival?
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A: Drought

Problem:OPTIONS:
- conventional
- common
- unique
- protected
- parasites
- tortoises
- normal
- bacteria

Fact 1: Organisms cluster around hydrothermal vents in the ocean floor. Fact 2: Animals at underwater hydrothermal vents are unique. Given the two facts above, what are organisms on the ocean floor?
****
A: unique

Problem:OPTIONS:
- energy
- two
- motors
- computers
- engines
- Energy.
- grass
- dirt

Fact 1: Agasoline lawn mower converts gasoline into motion. Fact 2: Gasoline is a motor fuel only. Given the two facts above, what do lawn mowers use?
****
A:
motors