Unit Four Review

Front

What type of soil is primarily composed of fine particles and retains water well?

Back

Clay

Front

What phenomenon occurs when wind pushes surface water away from the shore, allowing nutrient-rich water to rise?

Back

Upwelling

Front

Which layer of the atmosphere is responsible for absorbing harmful ultraviolet radiation?

Back

Stratosphere

Front

List the layers of the Earth's atmosphere in order from the surface to space.

Back

Troposphere, Stratosphere, Mesosphere, Thermosphere.

Front

What are the benefits of upwellings in marine ecosystems?

Back

They bring nutrient-rich water to the surface, supporting marine life.

Front

What is the primary characteristic of the troposphere?

Back

It is the lowest layer of the atmosphere where weather occurs.

Front

What is the role of the mesosphere in the atmosphere?

Back

It is the layer where most meteors burn up upon entering the Earth's atmosphere.

Front

How does the thermosphere differ from the other layers of the atmosphere?

Back

It has very high temperatures and is where the auroras occur.

Front

What is the significance of the ozone layer found in the stratosphere?

Back

It protects living organisms from harmful UV radiation.

Front

What is the main cause of ocean currents?

Back

Wind, the Earth's rotation, and differences in water density.