Modern Nuclear Bomb Tests Have Created an Extra High Level

question 30

Multiple Choice

Modern nuclear bomb tests have created an extra high level of ¹⁴C in our atmosphere.Suppose that future archaeologists date samples from our era,but do not know about this testing.Will their dates be too young,too old,or still correct? If correct they are correct,why?

• A) too young
• B) too old
• C) correct, because ¹⁴C from bomb tests is different from that produced naturally
• D) correct, because modern biological materials do not gather ¹⁴C from bomb tests

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Definitions:

Connective

In logic and linguistics, a word or phrase that links sentences or clauses, such as and, or, but.

Clause

A logical unit within a sentence, containing a subject and a predicate, which may stand alone or function as part of a larger sentence.

Predicate

The segment of a sentence or clause which includes a verb and provides information about the subject.

Nonrestrictive Clause

A clause which provides additional information about a noun or pronoun in a sentence but does not limit or define it in an essential way.