What Is the Primary Method for Describing and Comparing the Amount

question 30

Multiple Choice

What is the primary method for describing and comparing the amount of biological damage produced by exposure to radiation?

• A) the number of radioactive particles absorbed by the body
• B) the size of the radioactive sample
• C) the rem
• D) the amount of radiation that passes through the body
• E) None of the above.

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Definitions:

Divergent Margin

A boundary between two tectonic plates that are moving away from each other, often associated with volcanic activity and seafloor spreading.

Island Arc

A curved chain of volcanic islands located at a tectonic plate boundary, formed by the subduction of an oceanic plate beneath another.

Gabbro

A coarse-grained igneous rock that forms from the slow cooling of magma beneath the Earth's surface, composed mainly of plagioclase feldspar and pyroxene.

Welded Rhyolite

Is a type of volcanic rock that has been superheated and compacted under extreme conditions, resulting in a dense, hard rock.