Answer:
a lack of genetic variety
first one is the correct one
P (phosphorous ) = 30.97 g/mol<span> * 2 = 61.94 g/mol.</span>
<span>O ( oxygen ) = </span>16.00 g/mol<span> * 8 = 128.00 g/mol.</span>
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<span>Calcium Phosphate Ca3(PO4)2 = </span>310.18 g/mol<span>. </span>
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Answer: released through the back of the engine to propel it and the airplane forward
Explanation:
