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Svet_ta [14]
3 years ago
11

What causes the youngest layers to be on top

Biology
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:

When the sediment move and they are being settled somewhere, it means they are being deposited.

After a long period of time, there is a formation of layers of sediments on the top of each other. The weight of the top layer of sediment presses the lower layer and settle down it to the bottom layer, which results in the formation of sedimentary rock.

The oldest layer is on the bottom of the layer and the youngest one would be on the top layer because sediments include living organism, which often contains a fossil fuel.






solong [7]3 years ago
5 0
This law of science tells us that dirt, mud, sand and other sediments are almost always deposited in horizontal layers. As these sediments stack up vertically, they often harden, forming rock layers. Rock layers are usually ordered with the oldest layers on the bottom, and the most recent layers on top. The Law of Faunal Succession explains that fossils found in rock layers are also ordered in this way.
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