A) the state and Federal governments.
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
Answer:
You should not exercise in the cold because it's really bad for your bones, and you will get dehydrated and pass out if you're exercising in extreme heat.
Explanation:
