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Anna [14]
3 years ago
13

Often, building a groin or "dam" sticking out into the water from a coast in a region where longshore drift is moving sand from

"upstream" to "downstream" only partially solves the problem for which the groin was designed, because: A. Sediment is eroded on both sides of the groin. B. Sediment is eroded upstream of the groin and deposited downstream of the groin. C. Sediment is deposited on both sides of the groin. No change occurs in sediment. D. Sediment is deposited upstream of the groin but eroded downstream of the groin.
Geography
1 answer:
Bingel [31]3 years ago
7 0

Sediment is eroded on both sides of the groin.

Answer: Option A

<u>Explanation:</u>

While building a dam, sediments which are the small particles of the rocks that have been eroded, they are present on both sides of the dam and they get eroded even more.

Water coming from the coast is the reason why the rocks erode away and form sediments on both the sides of the rock and sometimes also leads to problems like soil erosion harming that particular piece of land for cultivation and for agriculture purposes because of loosing of fertility of that land.

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A perfect example of fault-block mountains can be found throughout the territory of the Republic of Macedonia where every single mountain is formed in this manner.

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The mountains can be formed in several different manners, one is by an uplift of a block of rock by a normal fault. The mountains that form in this manner are usually not very large in area, though they can reach significant heights. Many regions in the world have mountains formed in this manner, but probably the best examples are the mountains of the Republic of Macedonia.

This small country is actually the country with the highest number of mountains in the world. It has almost 60 separate mountains in its small territory. The reason for this is that it is located near the complex convergent boundary of Eurasia and Africa. All of the country's territory is divided into miniature crustal pieces with a lot of faulting. Each of the numerous mountains has formed because of the uplift of block of rock by normal faults, and they are all relatively small in area, but they range in height anywhere from around 1,000 m above sea level to over 2,700 m above sea level. Some of the mountains are Korab, Jakupica, Jablanica, Stogovo, Maleshevo Mt., Belasica, Osogovo Mt., Nidze, Kozhuf, Shar Mt., Busheva Mt., and many others.

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