It is important to mention that "horizon" make reference to each layer that the soil has. Each of them has different characteristics which allow them to fulfill different roles.
If you want to plant the most appropriate horizon would be A. (A horizon) This is made up of mineral and decomposed matter and it presents a dark color. here many plats roots grown in.
<span>Deoxyribose is the same as ribose, except that the former has one more OH. DNAand RNA is the sugar, with 2-deoxyribose being replaced by the alternative pentosesugar ribose in RNA. The four bases found in DNA are adenine (abbreviated A), cytosine (C), guanine (G) and thymine (T).</span>
Chromatids......then chromosome !!!
C. Deoxyribose sugar because the phospahte group, the nitrogen base, and ribose sugar is needed for ATP.
