(1) CaCO3 is the correct answer.
The type of bond formed between Ca2+ and CO3 2- is ionic, and the type of bond formed between C and O is covalent.
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The orbits of the plants are fixed around the sun by the suns gravitational pull
Answer:
I think Water because it keeps you dehydrated. You will still survive with out any food or any place to live but it's not air i know that for a fact because we need oxygen to live.
Explanation:
hope that helps:) you might can add some more words to it or change it up if you want to.