Answer:
substitution, deletion, insertion (in that order)
Explanation:
I did the assignment-
The chemical is called Cholecystokinin,it helps<span> stimulates the gallbladder to contract and release stored bile into the intestine
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The babys organs will start to develop, and the baby will be able to sleep and hear other people outside the womb, the bby starts to grow more essential things it will need to live outside of the mothers womb.
Answer:
<h2>The answer is option D- Selective breeding.</h2>
