WED & Human Impact Review

Water moves from the Earth to the Atmosphere by a process called the

• Rock Cycle

• Rain

• Water Cycle

• Evaporation

What law regulates water pollution, including sewage systems?

• Pollution Control Act

• The Clean Water Act

• Safe Drinking Water Act

Which household product can you replace with less-toxic substances?

• Cleanser

• Baking Soda

• White vinegar

An area of land where all the water flows to one location, like a funnel. 

• Superfund Site
• Watershed
• Succession
• River

Underground water source. 

• River
• Superfund site
• Aquifer
• Cave

The first species to move into a forming ecosystem. Mosses and small grasses are examples. 

• Pioneer
• Opportunistic
• Climax community
• Primary

Mounds of wind-deposited sand in deserts and on shorelines are

• sea arches
• sea stacks
• dunes
• cliffs

What part of trees, grass, or other plant holds soil in place to prevent erosion?

• flowers
• trunk or stem
• roots
• leaves

Which causes chemical weathering?

• acids and oxygen
• water, wind and gravity
• abrasion
• root and ice wedging

Plants usually break open small cracks in rocks with their

• seeds
• roots
• branches
• pollen