What kind of following planet composition is known as a terrestrial planet?

Options :
  1. A dense, rocky body
  2. Low density balls of gas
  3. Low density balls of gas, though they may have rocky cores
  4. None of these
Answer and Explanation :-

Answer: Option 1


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Life can be confusing. Good God, and how. Sometimes it seems like the older I get, the more confused I become. That seems ass-backwards. I thought I was supposed to be getting wiser. Instead, I just keep getting hit over the head with my relative insignificance in the greater scheme of the universe. Confusing, life. But it beats the hell out of the alternative.
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