Fill in the blanks to complete the passage. Earth has been shaped by actions that build up, or create, Earth’s surface. These are called forces. Actions that wear down, or destroy, Earth’s surface are forces.

The first one is constructive and the second one is destructive.

Explanation:

Destructive Forces: processes that destroy

landforms.

– 2 types: Slow (weathering) and Fast (Erosion)

– Ex. landslides, volcanic eruptions, earthquakes,

floods

Constructive forces: forces that build up an

existing landform or create a new one.

– Caused by: water, gravity, wind and glaciers.

– Ex: deposition, landslides, volcanic eruptions, floods