Pleases help me if you answer this question I will give brainiest

What is associated with mid-ocean ridges?

What was the most difficult obstacle to overcome in the creation of an autonomous state after indian independence was achieved? a british willingness to go to war to retain the region b. religious differences between hindus and muslims c. ethnic differences between tribal regions d. indian princes' inability to decide on a format of government

What is an additional type of erosion found at the coast? what does it mean?