Earth's radiation budget provides an inventory of the energy received and lost by the Earth's climate system, soil-atmosphere-oceans. The energy input comes mainly from the Sun, the one produced in the center of the Earth representing only 0.01% of the total energy received by the surface of the Earth.
DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine)
