Answer:
D) Yes, the need to conserve copper must be balanced with use.
Explanation:
I just took the test.
Answer:
forests maintain a balance between the amount of carbon-dioxide and oxygen gases in the atmosphere...
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Answer:
They are often used as an energy source because they are found everywhere and because it has a high energy output. Fossil fuels can be found where an animal dies, coal is found, a tree is burned etc. This makes them highly popular and strived for. They also let off a high amount of energy when burned so it is used for automobiles,electricity, cooking and more.
Explanation:
Answer:
A. a protein
Explanation:
Proteins function as enzymes in most of the catalyzing reactions, that increases the rate of reaction within cell.
Proteins are consist of multiple numbers of amino acids and the twisting and folding amino acids provide a unique identity to enzymes. Not all the proteins are enzymes but all the enzymes are proteins.
For example: Trypsin, Pepsin, and Lipases.
Hence, the correct option is "A. a protein".