In DNA, the "rungs" between the two strands of DNA are formed from the nitrogenous bases adenine, thymine, guanine and cytosine
Pollution or Carbon Dioxide
I would say "gene", as it is the basic unit of heredity.<span />
(A)Until the onset of PUBERTY,
Answer:
Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.
Explanation:
