Question 13 (1 point)

Question

97% of the water on Earth is

a
brackish water (mixture of fresh/salt)
b
fresh water
c
salt water
d
in aquifers
Question 14 (1 point)
A tall curved wall built along the edge of a beach (parallel to the shore) designed to deflect big waves and high tide, in order to prevent beach erosion is called a ___.

a
sea wall
b
sand dune
c
beach nourishment
d
groin/ jetty
Question 15 (1 point)
Dredging up sand offshore and adding it back onto a beach to replace or replenish the sand that has been eroded is called __.

a
sandbar restoration
b
jetty formation
c
beach nourishment
d
sea wall expansion
Question 16 (1 point)
Restoring a mining site to its previous natural state is required by companies or they are fined immensely. What is this called?

a
Land reclamation
b
Soil salination
c
Clean Water Act
d
Dune restoration

Answer 1

Here are the answers for your questions:

Question 13: c. salt water
(97% of the water on Earth is salt water, primarily found in the oceans.)

Question 14: a. sea wall
(A sea wall is built along the edge of a beach to protect it from waves and erosion.)

Question 15: c. beach nourishment
(This is the process of adding sand back onto a beach to replenish eroded areas.)

Question 16: a. Land reclamation
(Land reclamation refers to the process of restoring a disturbed area back to its natural state, especially in regard to mining sites.)

Feel free to ask if you need more information or have further questions!