Fact 1: Nephrons are the structural and functional units of the kidneys. Fact 2: When kidney function is normal, creatinine is removed from the body by the kidneys. Given the two facts above, what is required to remove creatinine from the body?
OPTIONS:
- evaporation
- adding heat
- Dehydration
- sleep
- sweating
- nephrons
- glucose
- hydration

Answer: nephrons

Fact 1: Transpiration is when water vapor moves from plants into the atmosphere. Fact 2: Water vapor in the atmosphere condenses, then falls to the earth's surface as rain and snow. Given the two facts above, what is when water vapor moves from plants and falls to the earth's surface as rain and snow?
OPTIONS:
- transpiration
- Condensation
- evaporation
- Heat energy
- Wet weather
- colder weather
- Physical weathering
- local weather

Answer: transpiration

Fact 1: Flowers attract pollinators, and fruits encourage animals to disperse the seeds. Fact 2: Sweet fruit like apples are eaten by animals that disperse the undigested seeds. Given the two facts above, what attract pollinators like animals that eat apples and disperse the undigested seeds?
OPTIONS:
- beans
- honeybees
- stalks
- roots
- bushes
- orchids
- ferns
- flowers

Answer:
flowers