Metal contain free electrons which makes it easier to transfer energy through the solid (conduction). Non-metals are poor conductors (insulators) because they do not contain free electrons.
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-Payshence
Answer:
The correct answer is - option C.
Explanation:
Proteins are made up of long chains of polypeptide chains made up of amino acids contain the basic elements of organic matter carbon, oxygen, and hydrogen with the addition of nitrogen.
In the given option set 1, and set 2 lacks the nitrogen elements whereas in set 4 the oxygen is not available, and set 3 have all the elements required for the protein.
Thus, the correct answer is - option C.
Answer:
The mutations were beneficial for each new environment.
Explanation:
