Answer:
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As you grow father away from the mid ocean ridge the rock is older as you get closer the rock is younger
Answer:
A
Explanation:
When these viruses insert their genome into the host cell, they usually have a reverse transcriptase enzyme that converts the RNA to DNA before it is integrated into the host genome. This is before the host cell machinery is hijacked to replicate the viruses components.
Stomach contracting to mix foods with enzymes
