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Geology

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Heber Nader

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Cards in this guide (15)
According to the principle of cross-cutting relationships an intrusive rock body is

Younger than the rock it intrudes into

What are eras divided into

The constituent time segments are epochs and periods, which are further divided into ages.

Why did amphibians diversify so rapidly during the late Paleozoic

They had little competition from other land dwellers

Radiometric dating is possible because the rates of decay of radioactive isotopes

Are constant

Folding is usually the result of what type of stress

compressional forces

What likely contributed to the extinction that marks the end of the Mesozoic Era

meteorite collision

What is the name of the doctrine that states the physical chemical and biological laws that operate today have also operated in the geologic past

Uniformitarianism

Why is it difficult to study Precambrian time

There is not many remains of the Precambrian time

Which item could be dated using radiocarbon dating

A 60,000 year old mammoth bone.

Which is a true statement about the process of accretion

It enlarges continental landmasses and forms mountains along the edges of continents.

What fossil mold that reflects the shape and surface markings of an organism is created

When the organism is buried in sediment and then dissolved by underground water

Insulating body hair is a characteristic of

Insulating body hair is a characteristics of the layer of the fat beneath the human skin.

Coal began forming during the Carboniferous period Which life forms or materials of the period eventually changed into coal

Ferns and other plants that grew in swampy forests

At a continent-continent convergence

folded mountains are produced

Why it is hard to find fossil records in layers of rock.

because it hiding in the records of the rock

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