2.2 Test Retake

Front

What is the least dense and rocky layer of Earth?

Back

The Crust.

Front

What is deforestation?

Back

The intentional removal of a large amount of trees from an area.

Front

What effect does deforestation have on carbon dioxide levels in the atmosphere?

Back

Trees absorb carbon dioxide, so more will be found in the atmosphere.

Front

What type of heat transfer causes the movement of tectonic plates in the mantle?

Back

Convection.

Front

What are Transform Plate Boundaries?

Back

Plate boundaries where tectonic plates slide past each other.

Front

What are Divergent Plate Boundaries?

Back

Plate boundaries where tectonic plates move apart from each other.

Front

What are Convergent Plate Boundaries?

Back

Plate boundaries where tectonic plates move towards each other.

Front

How are volcanoes formed?

Back

Volcanoes are formed at Divergent Plate Boundaries.

Front

What is the role of the Mantle in plate tectonics?

Back

The Mantle is involved in convection currents that drive plate movement.

Front

What is the Outer Core?

Back

The layer of Earth beneath the Mantle, composed of liquid iron and nickel.