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The end rocky part of two continents has similar composition, the presence of similar fossils of animals and climate

Explanation:

Alfred Wegener find out the end rocky part of two continents has similar composition, the presence of similar fossils of animals and climate so he presented the theory of continental drift that occurs 200 millions years ago. The main reason for the rejection of Wegener's hypothesis because he provides no mechanism for the movement of the continents. Wegener thought that the force of Earth's spin was sufficient for the drifting of continents from each other but other scientists says that it is too weak to drift the continents.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme