D
Because most air pollution is caused by the burning of fossil fuels burned in the home
False. Specific gravity usually means relative density with respect to water. [ ]
Answer:
DNA is double-stranded, while RNA is single-stranded. RNA contains ribose as a sugar, while DNA contains deoxyribose. Also, three of the nitrogenous bases are the same in the two types (adenine, cytosine, and guanine), but DNA contains thymine while RNA contains uracil.