WATER ON EARTH, WEATHERING, EROSION

What percentage of Earth's water is salt water?

• A 97%

• B 2%

• C 1%

What percentage of Earth's water is drinkable?

• A 97%

• B 2%

• C 1%

What percentage of Earth's water is NOT drinkable because it is frozen?

• A 97%

• B 2%

• C 1%

What type of weathering is shown?

• Physical

• Chemical

• Catastrophic

• Heat

What type of weathering is shown?

• Physical

• Chemical

• Catastrophic

• Heat

Air pollution causes...

• Acid Rain

• Erosion

• Deposition

• Melting

Rivers lay down sediments in a process called

• Erosion

• Ice Wedging

• Deposition

• Weathering

When soil and rock are loosened it is known as...

• Acidic Rain

• Ice Wedging

• Deposition

• Erosion

Physical weathering involves change in size and shape of rock, chemical weathering changes rocks into new substances

• TRUE

• FALSE

What would cause a riverbed to widen?

• Deposition

• Weathering and Erosion

• Animal life walking through

• Ground sinking