The Inner Planets Are Made Mostly of Rock and Metal

question 2

Multiple Choice

The inner planets are made mostly of rock and metal because:

• A) lighter materials cannot orbit the Sun; they would fall in immediately
• B) the Sun is made mostly of rock and metal and the inner planets are closest to the Sun
• C) it was so hot where the inner planets formed that the lighter materials evaporated
• D) Jupiter's large gravity immediately attracted all the lighter materials, and so there were few light atoms left by the time the inner planets were ready to form
• E) this is an unsolved problem in astronomy

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Definitions:

Debit Balance

The sum remaining in an account after all debts have been subtracted from the total credits, indicating an excess of debits over credits.

Credits

Accounting entries that increase liabilities or equity or decrease assets, reflecting the sources of funding or income.

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit account columns to check the accuracy of financial recordings.

Journal Entries

Records of financial transactions entered into an accounting system, ensuring that the debits equal the credits in financial accounting records.