Some Quasars Vary in Brightness in Only a Few Days

question 9

Multiple Choice

Some quasars vary in brightness in only a few days.What does this tell us about the quasars?

• A)They have large magnetic fields
• B)They are quite small
• C)They must be highly luminous
• D)They cannot emit radio waves

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Definitions:

Expired Rent

Expired rent refers to the portion of prepaid rent that has been used up or accounted for as an expense over a period.

Work Sheet

An informal document used by accountants to prepare adjusting entries and a trial balance in the process of preparing financial statements.

Unadjusted Trial Balance

A list of all the balances in a company’s accounts before any adjusting entries are made for reporting purposes.