Answer - C. In the Geosphere
Reason - It is where volcanic, tectonic places and rifts occurs which is the crust of the earth. Without the geosphere aka crust we wont be able to have a solid piece of land to stand on.<span />
<span>A polypeptide is a single linear chain of many amino acids, held together by amide bonds. A protein consists of one or more polypeptides (more than about 50 amino acids long). An oligopeptide consists of only a few amino acids (between two and twenty). </span>
<span />A polypeptide
Carbon dioxide and sunlight I think