please help me with these 2 science questions, (please answer both of them to get brainliest)
Answers
Answer:
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Explanation:
1. Arches are formed when the sea evaporated, it left salt deposits; some areas collected over a thousand feet of these deposits. During the next millions of years, the area was filled with debris deposited from winds, floods, streams and oceans that came and went. Over time this debris compressed into rock. The weight of the rock layer caused the salt bed below to become fluid, allowing it to thrust up and create domes and ridges. Erosion went to work on the surface rock layers and ground water began to dissolve the underlying salt deposits. Water seeped through cracks in the weathered rock and ice formed, further expanding the crevices and weakening the rock. Eventually, the domes began to collapse leaving a maze of vertical free-standing rock walls known as fins. Wind and water continued to assault these fins until they eventually wore through and pieces began to fall away.
2. Loess is mostly created by wind, but can also be formed by glaciers. When glaciers grind rocks to a fine powder, loess can form. Streams carry the sediments to the end of the glacier. This sediment becomes loess.