List the differences between: rna vs dna

The main difference between DNA and RNA is the sugar present in the molecules. While the sugar present in an RNA molecule is ribose, the sugar present in a molecule of DNA isdeoxyribose. Deoxyribose is the same as ribose, except that the former has one more OH.

"a.) well–developed vascular system."

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.