The correct answer is C. Trees provide oxygen for humans, so by reducing trees you reduce oxygen available for humans.
The shape of a protein<span> is </span>determined<span> by </span>its<span> primary </span>structure. The sequence of amino acids in aprotein<span> is </span>determined<span> by the sequence of nucleotides in the gene encoding it.</span>
Adenine, guanine, thymine, cytosine. Thymine matches with adenine and cytosine matches with guanine
