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What first caused people to consider that the continents were once one large landmass?

Hey this is extremely !international aid debate for geography 10 will mark de brainliest! questions are down below plz put an answer and evidence for it. q1: what are the problems with international aid? q2: what are the alternatives to international aid? q3: what do you think is the best approach to offer international aid? ( answer these questions with credible answers and evidence)

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."