What happens to hurricanes as they go over land?

How are farmers that use no plow farming methods able to improve air quality for the people around the fram

How do oceanographers measure the salinity of ocean water?

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