Water and Wind Erosion — Unit test Answers

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Which action would best help prevent groundwater erosion?

using breakwaters

packing down soil

building drains with outlets

increasing the slopes of riverbanks

Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere?

radon, carbon monoxide, oxygen

carbon dioxide, nitrogen, oxygen

nitrogen, carbon dioxide, carbon monoxide

carbon dioxide, radon, oxygen

Which is the best strategy for addressing polluted air?

Reduce the cost of chemicals used in industrial processes.

Study the effects of mold exposure on people who suffer from asthma.

Encourage people to continue burning fossil fuels as they drive vehicles.

Build industrial plants and facilities that release chemicals during processing.

What happens when the lithosphere interacts with the atmosphere?

Gases are released from volcanic eruptions.

Carbon dioxide is released during plant respiration.

Plants absorb sunlight and minerals during photosynthesis.

Oxygen gas is cycled as freshwater supplies are replenished.

How do oxbow lakes form?

Rivers are dammed, and the water builds up, creating a lake.

Runoff pools in areas of low elevation, creating a temporary lake.

Rivers wear away banks until the bank is broken and the river flows straight.

Glaciers leave deep channels in the ground, which fill with water and become a lake.

Which statement describes indoor air pollution?

Smog is a common source of indoor air pollution.

Ultrafine particles are classified as indoor air pollutants.

Indoor air pollution does not affect symptoms for people with asthma.

Chemicals from industrial power plants cause indoor air pollution.

Which process involves wind moving loose sediment?

abrasion

deflation

impact

plucking

Which type of deposition creates sandbars?

glacial

river

wave

wind

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