190 g
4.5 x 41.99g / 1mol = 190g
Explanation:
Most of Earth's carbon is stored in rocks and sediments.
Answer: Coelenterates as a whole are of little economic importance. Seldom used as food by man, they are eagerly devoured by certain fishes and by invertebrates such as the crown of thorns starfish. Certain corals used as ornaments and for the manufacture of jewelry have become rare because of exploitation.
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