Answer:
The answer to your question would be that the revision that combines the sentence using a subordinating clause and subordinating conjunction is the following one: East Antarctica is covered by massive layers of ice which is thousands of meters thick.
Explanation:
The revised version of the sentence includes an essential relative clause. Essential relative clauses limit an ambiguous noun, that is, they complete the meaning of the sentence. The essential clause helps identify the noun it modifies. Consequently, if they are dropped, the meaning of the sentence is altered (see 1).
1) East Antarctica is covered by massive layers of ice
Answer:
is this in a book or something?
Explanation:

<h2><u>1.) Insecurity</u></h2>
<h2><u>2.) Distraction</u></h2>
<h2><u>3.) Addiction</u></h2>
Answer:
Calypso's island
Explanation:
Hermes, messenger of the gods, is sent to Calypso's island to tell her that Odysseus must at last be allowed to leave so he can return home. ... Poseidon stirs up a storm, which nearly drags Odysseus under the sea, but the goddess Ino comes to his rescue. She gives him a veil that keeps him safe after his ship is wrecked. hope this helps :)