DNA is a polymer that contains deoxyribose and a phosphate backbone. It contains these 4 nitrogenous bases: Adenine, Guanine, Cytosine and Thymine.
RNA on the other hand is a polymer that contains ribose and phosphate backbone. It contains 4 nitrogenous bases of: Adenine, Guanine, Cytosine and Uracil.
Hope that helps a bit.
WATER CYCLE
<span>The evaporation process uses the sun radiation or sun’s thermal energy for vaporization of a water from the land or soil to be water vapor then in the air. Transpiration on the other hand is the same with evaporation that involves water molecules to be vaporized into the air but it is located in the stoma of the plants. It is like evaporation within plants. This is actually to have homeostasis in plants and still part of the water cycle. </span>
Answer:
The moon was formed by the collisions between collisions and combining of planetesimals :(
