Multiple choice

Match the following:

1. Epirogenetic A. Horizontal or tangential force
2. Orogenic B. Vertical force
3. Eustatic C. Change in sea level
4. Exogenetic D. Destructive

  1. 1 - A, 2 - B, 3 - C, 4 - D

  2. 1 - B, 2 - A, 3 - C, 4 - D

  3. 1 - A, 2 - B, 3 - D, 4 - C

  4. 1 - B, 2 - A, 3 - D, 4 - C
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
1. Epirogenetic B. Vertical force
2. Orogenic A. Horizontal or tangential force
3. Eustatic C. Change in sea level
4. Exogenetic D. Destructive

Epeirogenic forces are vertical forces, wherein the continents either rise or sink under the influence of these forces. Also called continent-building forces. E.g. Subsidence. Orogenic forces are horizontal forces that either push or pull rock strata. Also known as mountain-building forces. E.g. folding. Eustatic sea level changes are due to the glacial-interglacial cycle, with water being tied up in continental ice caps during glacial periods, thereby lowering the sea level, and when the ice caps melt, the water flows into the sea and raises the sea level. Exogenetic forces/agents of erosion are, generally, destructive.

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