input: OPTIONS:
- our lives
- our caverns
- important habitats
- loose soil
- watershed
- our landscape
- coastlines
- our property lines Now, answer this question: Fact 1: Wind and rain cause erosion. Fact 2: Wind, water, and sunshine contribute to the erosion process that can change our landscape. Given the two facts above, wind and rain contribute to a process that can change what?
A:
output: our landscape

Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time. Fact 2: Geological erosion is natural occurring erosion over long periods of time. Given the two facts above, most canyons are formed by rivers flowing and what type of erosion?

OPTIONS:
- forces
- mechanical
- uncontrolled
- geological
- Water expanding
- flooding
- thrust
- barrel-shaped

Answer: geological

Problem: OPTIONS:
- recycling
- hydration
- evaporation
- loose soil
- bacteria
- the body
- Exfoliation
- Cooking
Q: Fact 1: Excretion is the process of removing wastes and excess water from the body. Fact 2: Excretion refers to the processes by which the body eliminates a drug. Given the two facts above, what eliminates wastes and excess water?
Answer: the body

Problem:OPTIONS:
- erosion
- Loose
- slippery
- loose soil
- homogenous
- coiled
- imbalanced
- threatened

Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Underfoot, loose rocks make footing perilous, while smooth marblelike stones make it slippery. Given the two facts above, contact between rocks over long periods of time causes rocks to be what?
****
A: slippery

Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: An ecosystem includes the organisms and their habitat. Given the two facts above, doing what has a positive impact on organisms and their habitat?
OPTIONS:
- hydrate their cells
- exercise
- By coral exoskeletons
- planting trees
- trimming trees
- planting grass
- buying flowers
- support
planting trees

Fact 1: Plastics are made from petroleum and produce toxic waste. Fact 2: Petroleum is a fossil fuel . Given the two facts above, what is made from fossil fuels?
OPTIONS:
- renewable resources
- Fuel cells
- the Sun
- water
- plastic
- emissions
- gasoline
- cigarettes

Answer:
plastic