Biology, 23.08.2019 08:30, Emptypockets451

This amniotic egg contains the nutrients that the growing embryo needs to develop correctly. which of the following is an essential element for all living things that is found in the yolk sac?
a. phosphorus
b. chlorine
c. silver
d. radon

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This amniotic egg contains the nutrients that the growing embryo needs to develop correctly. which o...