The Energy Source at the Center of Our Galaxy

question 102

Multiple Choice

The energy source at the center of our galaxy

• A)is not visible at optical wavelengths.
• B)produces X-rays.
• C)must be less than 10 AU in diameter.
• D)is not visible at optical wavelengths, produces X-rays, and must be less than 10 AU in diameter.
• E)None of the other choices are correct.

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Definitions:

Conjunctions

Words used to connect clauses or sentences or to coordinate words in the same clause.

Conjunctive Adverbs

Words that connect two independent clauses together, providing a smooth transition between ideas.

Punctuated Correctly

The proper use of symbols such as periods, commas, and question marks to clarify the meaning of written text.

Conjunctive Adverbs

Words that connect clauses or sentences, showing relation in terms of time, cause, comparison, or contrast, such as however, therefore, moreover.