Answer:
B) is characterized by four different zones
Explanation:
edge 2020
This is false!
Carbon is found in many substances!
For example, we breathe out carbon (Carbon dioxide) and as a result, there is an amoung of carbon in the air.
Carbon is also found in many rock types, such as in coal.
<span>The nitrogenous base pairs, which are linked by hydrogen bonds that also hold the strands together, are between this backbone. However, the nitrogenous bases, which are adenine, thymine, cytosine and guanine, pair up so that cytosine only pairs with guanine and adenine links up with thymine.</span>
