Answer:
Explanation:
DNA is composed of repeating structural units
called
C
O=
is the five-carbon sugar found in
А
DNA.
Na
0--P-0--CH2
0
OH
B
Answer: D, to create the soil
Explanation:
Primary succession occurs on basically empty, lifeless land with no soil. Pioneer species are the first plants to colonize the land after primary succession, which means they are very primitive and can survive without soil. Since there is no soil, their role is to create soil for more advanced organisms to survive in the area in the future.
False because its not all even, some areas have more than others
The answer to this is C. Industry. It's the only man made factor.