True or false sedimentary rocks can give us clues about ancient climates

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 are the answers for the following questions?

The process by which liquid water changes into water vapour is called what ?