Answer:Fossil Record
Explanation:
Fossils provide evidence that organisms from the past are not the same as those found today, and demonstrate a progression of evolution. ... The resulting fossil record tells the story of the past and shows the evolution of forms over millions of years.
Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants. The totality of fossils is known as the fossil record.
The fossil record, however, is quite incomplete. Here's one major reason why: Sediment has to cover an organism's remains in order for the long fossilization process to begin. ... So like the mineralized bones themselves, the fossil record is an incomplete framework that scientists flesh out through additional methods.
<u>Answer:</u>
Alluvial fans are evidence that the Death Valley is a tectonically active region.
<u>Explanation:</u>
- Alluvial fans can be only formed by the slow and gradual depositional action of a river.
- But for an alluvial to be formed, it is primarily necessary for the river to continuously carry and deposit sediments for a long period of time.
- The supply of sediments done by the Death Valley in California provides evidence that it is a tectonically active region.
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Much of Utah used to be covered by a prehistoric body of water called <u>Lake</u> <u>Bonneville</u>. Evidences of this include fossils of trilobites and fish in Utah's mountains.
Sedimentary rocks are comprised of sediments (small bits and pieces of weathered rock), and the reason sedimentary rock formations are usually layered is because they were formed underwater. The pressure of the water compacts the rocks, and as new sediments arrive in the water, it is compacted on top of the previous compressed rock, creating layers.
Since we know that much of Utah used to be a lake, the best explanation for this sedimentary rock limestone is that A. Western Utah used to be under water (an ocean or inland sea).
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Answer:
Food going low on stock
Explanation:
I guess sorry if it is not right if so brain-list please
Electric bonds form isotopes
