Fact 1: Aplant requires sunlight for photosynthesis. Fact 2: Sunlight is composed of photons, or particles of solar energy. Given the two facts above, a plant requires _ for photosynthesis?

OPTIONS:
- proteins
- photons
- Light
- sun's heat
- nutrients
- mitochondria
- sugar
- plasma

Answer: photons

Fact 1: An animal requires air for survival. Fact 2: Plants help make oxygen for the air. Given the two facts above, an animal requires what for survival?

OPTIONS:
- a leash
- rocks
- chemicals
- stamina
- plants
- proteins
- food
- fossil fuel

Answer: plants

Fact 1: Clouds are formed by water vapor rising into colder regions of the atmosphere and condensing. Fact 2: The change of vapor into water, as in the formation of rain. Given the two facts above, where does rain come from?

OPTIONS:
- Moisture in the ocean
- Chopping down trees
- near the shoreline
- movements in the earth's crust
- Moisture in the clouds
- air mass over Earth's surface
- Boiling water on the stove
- Leeuwenhoek

Answer: Moisture in the clouds

Fact 1: Eating something that contains pollutants has a negative impact on an organism 's survival. Fact 2: Smoking or pollution can and do cause cancer. Given the two facts above, what can cancer have?

OPTIONS:
- nucleus of a cell
- a lot of human deaths
- Short term wealth
- decreased differentiation
- Positive impact
- death and devastation
- Negative impact on survival
- children

Answer:
Negative impact on survival