When constructing buildings in coastal areas, humans sometimes destroy sand dunes on the beaches. this activity
a.
has no effect on environmental conditions.
b.
is harmful because the dunes serve many important functions.
c.
is beneficial because the dunes harm wildlife.
d.
is beneficial because the dunes cause beach erosion.

The answer to your question is...

B

Explanation:

basically i had this question and it said that this was right

Option B

Explanation:

While constructing the buildings in coastal areas, human beings sometimes destroy the sand dunes in the beaches. This is not a good indication and it is an invite to various kinds of problems as it serves many important functions.

Sand dunes are present at the shorelines and it has highly specialized plants and animals that can be endangered or highly specific.

They also protect the beach from erosion and prevents the water from entering into human space upto a certain extent.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

cell regulation is conducted by special proteins.