Fact 1: Thyroid hormones increase the rate of metabolism in cells throughout the body. Fact 2: Thyroxine, a thyroid hormone, is an aryl iodide. Given the two facts above, what increases the rate of metabolism in cells throughout the body?
OPTIONS:
- Thyroxine
- Smoking
- fever
- bioaerosols
- acetic acid
- sweating
- Power plants
- heat produced

Answer: Thyroxine

Fact 1: Damming a river can cause a lake to form. Fact 2: You can also water ski on Lake Mohave north of Davis Dam. Given the two facts above, to open more areas for water skiing, engineers could?
OPTIONS:
- dam more rivers
- to move people
- protect them
- vacation in Norway
- Move to another area
- build more snow machines
- scrap all steam locomotives
- Electric generators

Answer: dam more rivers

Fact 1: Plant reproduction requires pollination. Fact 2: Many plants rely on bats to spread their seeds and to pollinate flowers. Given the two facts above, plant reproduction requires bats to spread their what?
OPTIONS:
- packets
- Light
- Energy.
- seeds
- stones
- energy
- sugar
- pills

Answer:
seeds