Fact 1: Avalley is formed by a river flowing. Fact 2: Rivers cause erosion by transporting weathered rock and soil downstream. Given the two facts above, what are created through erosion?

OPTIONS:
- kalenchoes
- Roads
- Valleys
- Mountains
- Volcanoes
- Stalactites
- flooding
- loose soil

Answer: Valleys

Fact 1: Acid rain has a negative impact on water quality. Fact 2: Acid rain comes from polluted clouds. Given the two facts above, something that comes from polluted what has a negative impact on water quality?

OPTIONS:
- flooding
- clouds
- streams.
- stars
- coal
- concepts
- minds
- tar

Answer: clouds

Fact 1: Boiling is when liquids are heated above their boiling point. Fact 2: Vapor pressure is about liquids boiling. Given the two facts above, vapor pressure is caused when?

OPTIONS:
- liquids expand
- It gets heated up
- liquids condense
- liquids are heated
- Evaporation
- Light passing through water
- Water expanding
- liquids freeze

Answer: liquids are heated

Fact 1: Gymnosperms are vascular plants that produce seeds in cones. Fact 2: Softwoods, on the other hand, are gymnosperms . Given the two facts above, what type of plant produces seeds in cones?

OPTIONS:
- Softwoods.
- Conifers
- Aloe.
- Most plants
- Sunflower seeds.
- white
- epidermal
- Fern plant.

Answer:
Softwoods.