What does the presence of a lot of sedimentary rock tell you about an area?

Amountain created from tectonic activity would be considered which type of landform ? a) primary landform b) secondary landform

How many countries have portuguese as a national language?

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