<span>The answer is A. it was the first clean water act in U.S. history.
It was the first clean water act federal law created to solve water pollution through restoration and management. It gave a rule to pollutants to keep the waters clean.
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The answer is b, it protects the cell
<span>The
two roles that DNA polymerase has in DNA replication are: it breaks down long
chains of polymers into amino acids and it is an enzyme, as most biochemical
reactions do about enzymes, that is responsible for duplicating copies of DNA
in the form of nucleic acid molecules.</span>
Answer:
~ Halon gas
Explanation:
~ Halon is a liquefied, compressed gas that stops the spread of fire by chemically disrupting combustion. ... Traditionally, to stop a fire you need to remove one side of the triangle - the ignition, the fuel or the oxygen. Halon adds a fourth dimension to fire fighting - breaking the chain reaction.