input: OPTIONS:
- voltage
- Energy
- sun's heat
- low pHs
- Decibels
- spectrum
- Light
- sunlight Now, answer this question: Fact 1: All life relies on a relatively narrow range of pH, or acidity. Fact 2: Acids have low pH's. Given the two facts above, all life relies on a relatively narrow range of what?
A:
output: low pHs

Fact 1: All chemical reactions require activation energy to get started. Fact 2: Chemical changes are a result of chemical reactions. Given the two facts above, what is required before a chemical change?

OPTIONS:
- kinetic energy
- energy usage
- activation push
- activation energy
- activation switch
- activation power
- Burning fuel and air
- Evaporation

Answer: activation energy

Problem: OPTIONS:
- sea squirts
- fertile
- homogenous
- reproduce
- Length
- insects
- barnacles
- survive
Q: Fact 1: Adult tunicates are barrel-shaped. Fact 2: Tunicates, or sea squirts, are marine organisms covered with a gelatinous tunic. Given the two facts above, what adults are barrel-shaped?
Answer: sea squirts

Problem:OPTIONS:
- decaying vegetables
- loose soil
- Conifers
- decaying bodies
- decaying trees
- Most plants
- an organism's body
- decaying teeth

Fact 1: Slime molds are fungus-like protists commonly found on rotting logs and compost. Fact 2: Slime molds are nonparasitic. Given the two facts above, where do non-parasitic protists live?
****
A: decaying trees

Fact 1: Most plants continue to grow throughout their lives. Fact 2: All orange trees are plants. Given the two facts above, what continues to grow throughout their lives?
OPTIONS:
- Chemical energy
- bacteria
- animals
- Humans
- Orange Trees
- Cats
- an organism's body
- Dogs
Orange Trees

Fact 1: Cancer is a disease in which cells divide out of control. Fact 2: Cancer is the second leading cause of death. Given the two facts above, the second leading cause of death is a disease in which?
OPTIONS:
- immunities are destroyed
- an area swollen with pus
- plague clogs arteries
- deadly and devastating
- cause people to become sick.
- microorganisms
- cells divide out of control
- the body lacks insulin

Answer:
cells divide out of control