Q: Fact 1: Wind causes erosion. Fact 2: Erosion causes destruction of aquatic habitats due to siltation and flooding. Given the two facts above, which normal weather event can threaten aquatic habitats? ?

OPTIONS:
- wind
- oil
- cold
- Winter
- hail
- snow
- fire
- sleet

A: wind

Q: Fact 1: Along tail can be used to move through water by an animal. Fact 2: Water remains in the current of the river. Given the two facts above, what helps an animal move through a river better?

OPTIONS:
- salinity
- scales
- long snout
- long tail
- contracting
- stamina
- long fur
- four limbs

A: long tail

Q: Fact 1: Cells have multiple repair mechanisms to fix mutations in DNA. Fact 2: Genetic Mutations Genetic mutations occur frequently. Given the two facts above, dNA can be fixed with repair mechanisms of?

OPTIONS:
- CO 2
- cells
- three
- plants
- SO2
- fungi
- alleles
- Seesaw

A: cells

Q: Fact 1: Heat and pressure change the remains of prehistoric living things into natural gas. Fact 2: Natural gas is the cleanest of the fossil fuels. Given the two facts above, where do fossil fuels come from?

OPTIONS:
- Dead prehistoric beings
- Under water
- basic building blocks of life
- dead organisms
- decaying trees
- burning coal
- A factory
- Outerspace

A:
Dead prehistoric beings