Fact 1: Water causes refraction of light. Fact 2: Halos are produced by the refraction of light. Given the two facts above, what causes halos?

OPTIONS:
- germs
- Pacific
- solutes
- water
- storms
- glass
- algae
- the sun

Answer: water

Fact 1: Mammals conserve body heat with their hair or fur. Fact 2: Bats Bats are mammals with wings. Given the two facts above, what conserves body heat with their fur?

OPTIONS:
- hawks
- shrews
- flying fish
- pigs
- humans
- dogs
- crocodiles
- bats

Answer: bats

Fact 1: Aplant requires sunlight for photosynthesis. Fact 2: Plants feed themselves through the process called photosynthesis. Given the two facts above, plants require what in order to feed themselves?

OPTIONS:
- Light
- grain
- energy
- Energy.
- seeds
- wind
- sunlight
- nutrients

Answer: sunlight

Fact 1: Cells are the basic units of the structure and function of living things. Fact 2: Physiology is the study of the function of living things. Given the two facts above, which of the following sciences studies cells?

OPTIONS:
- sensory neurons
- Astronomy
- epidermal
- it needs them
- Physiology
- retina
- Anatomy
- Astrology

Answer:
Physiology