Problem:OPTIONS:
- a lot of human deaths
- water seeping out
- precipitation
- Deposition.
- lack of water
- Deposition
- drought
- dry air

Fact 1: Streams may start with runoff or water seeping out of a spring. Fact 2: Heavy rains and runoff caused streams to rise rapidly. Given the two facts above, heavy rains and runoff can cause what?
****
A: water seeping out

Problem:OPTIONS:
- layers of fat
- animals
- Animal fur
- fur and fat
- alpacas
- fur seals
- most mammals
- Blankets

Fact 1: Hair helps to insulate and protect the body. Fact 2: All mammals have hair. Given the two facts above, what has insulation that also protects the body?
****
A: most mammals

Problem:OPTIONS:
- cell walls
- parasites
- dust
- layers of fat
- Veins and arteries.
- free nerve endings
- it keeps an organism warm
- ice

Fact 1: Pressure receptors are found mainly in the skin. Fact 2: All pain receptors are free nerve endings. Given the two facts above, what are found in skin?
****
A: free nerve endings

Problem:OPTIONS:
- cure cancer
- death
- kill
- create hydrogen
- grow
- damage
- kill electrons
- harm

Fact 1: Some viruses can cause cancer. Fact 2: Eventually the cancer kills. Given the two facts above, what can some viruses do?
****
A:
kill