Alfred wegener was correct in his theory that continents used to be connected in a single land mass but never drifted apart again over time. However he was wrong in his explanation of why the continents drifted. Currently how do we explain how the continents Move on the surface of the earth

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.