Carbon is essential atom of "hydrocarbon' from which all organic molecules required for life are formed. <span />
The hydrosphere is the combined mass of water found on, under, and above the surface of [the earth.] ⦁ The word comes from the Greek words for "water" and "sphere." ⦁ The hydrosphere includes water in liquid and frozen forms in groundwater, oceans, lakes and streams
Answer: genes
Explanation:
everyone has the same non coding regions, but not the same dna