Question

Do not remove grass!

Signs like this appear all over coastal regions. Why?
A) The grass holds moisture in the ground.
B) The grass provides shelter for many animals.
C) The grass helps to keep the sand dunes in place.
D) The grass helps to keep the air temperature constant.

Answer 1

Answer:

It's C

Explanation:

The grass helps to keep the sand dunes in place. The roots of the grasses spread out to anchor the plants and the same roots help keep the sand in place. The beach grass is stopping erosion by wind.

Answer 2

C) The grass helps to keep the sand dunes in place.

Coastal regions

• The coast, also known as the coastline or beach, is defined as the area where land meets the ocean, or as a line that creates the land-ocean or-lake boundary.
• The Earth has around $620,000$ kilometers of coastline
• C) The grass helps to keep the sand dunes in place, therefore signs like "Do not remove grass!" appear all over coastal locations.

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