angelthompson2018
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What would be evidence to prove that the sedimentary rock layers found on the banks of a river were formed over a period of millions of years? A) Fossils from different geologic eras have been found in the rocks. B) The river has not changed course significantly for many years. C) The fossils in the rocks belong to the early Cenozoic era. D) The sedimentary layers are not clearly visible.

Respuesta :

i would go with answer A

hope this helps :)

mahima6824soni

Sedimentary rocks are formed  by the accumulation of minerals.

The evidence to prove that the sedimentary rock layers found on the banks of a river were formed over a period of millions of years is fossils from different geologic eras have been found in the rocks.

The correct option is A.

What are sedimentary rocks?

Sedimentary rocks are formed by the deposition of organic compounds and minerals on the sides of rivers and water areas.

Examples are iron ore, flint, dolomite etc

Organic sedimentary rocks are formed by the deposition of plants and animal debris.

Examples are coal, limestone, chalk etc.

Thus, the correct option is A. due to fossils from different eras.

Learn more about Sedimentary rocks, here:

https://brainly.com/question/6565164

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