Fact 1: Soil is formed by weathering. Fact 2: Soils are formed by breakdown of rock. Given the two facts above, _ is the breakdown of rock.?

OPTIONS:
- Weathering
- mechanical
- salinity
- heat energy
- dangerous
- cycles
- calcite
- started

Answer: Weathering

Fact 1: Skin is used for protecting the body from harmful substances. Fact 2: Sunlight, however, is harmful to the skin. Given the two facts above, what does skin protect from?

OPTIONS:
- photons
- cold air
- electricity
- forces
- toxins
- sunlight
- heat energy
- sun's heat

Answer: sunlight

Fact 1: If a living thing becomes too cold then that living thing will die. Fact 2: Every year people die from hypothermia in Alaska when the temperature is above freezing. Given the two facts above, what do we experience when we get too cold?

OPTIONS:
- Hibernation
- sweating
- Dehydration
- Hypothermia
- Extreme hunger
- Pollution
- hyperthyroidism
- Dangerous weather

Answer: Hypothermia

Fact 1: Smoking tobacco decreases stamina. Fact 2: Athletes possess physical stamina. Given the two facts above, what does smoking harm?

OPTIONS:
- people
- consumers
- athletes
- health
- radiation
- humans
- fire
- tobacco leaves

Answer:
athletes