<span>The EPA under the Toxic Substances Control Act also referred to as the TSCA are responsible for setting rules and regulations regarding polychlorinated biphenyl, PCB. Tina should reference the TSCA to help support her protest against the very toxic chemicals and compounds in PCB.</span>
<span>The sum total of all the chemical reactions that occur in organisms is called-</span>Metabolism
Carbohydrates.............
i think c. is the best answer , we just got off that topic like a week ago .
