The CNO cycle<span> (for </span>carbon–nitrogen–oxygen<span>) is one of the two known sets of fusion reactions by which stars convert hydrogen to helium, the </span>other<span> being the proton–proton chain reaction. Unlike the latter, the CNO </span>cycle<span> is a catalytic </span>cycle<span>.</span>
Rapid cell growth, or otherwise known as Cancer.
A)Calcium-This because calcium has two valence electrons hence it is a metal therefore it will form an ionic bond with carbon.
The answer would have to be 5,2,4,1