*Question*
If oil is formed when sediment layers push on dead algae, then oil is formed when sediment layers push on what sort of algae? Answer choices: - coral - living - rich - healthy - dead - life - fungi - peat
**Answer**
dead

*Question*
If deadly parasites kill their human, but some do not, then what parasites kill their human, but some do not? Answer choices: - friendly - deadly - animals - gentle - safe - harm them - goats - reproduce
**Answer**
deadly

*Question*
If as the North Pole seasonally changes its' tilt farther away from the sun, the amount of daylight will decrease, then how does the amount of daylight change in a location as the season there changes to fall? Answer choices: - uncontrolled - colors - reduce - increases - depends on the hemisphere - temperature - stays the same - decreases
**Answer**
decreases

*Question*
If some airplanes use propellers to move, then propellers are on some airplanes primarily to give? Answer choices: - stability - protection from bird strikes - speed - motion - engine cooling - energy - noise cancellation - power
**Answer**
motion