Can anyone help me with answering a series of science questions including Lithosphere (Rocks), hydrology (water), climate/weather, and biosphere I have a final exams tomorrow and really want to get a good grade anyone mind helping me out?

Scientist believe that earths core is around 6000°c where does this heat come from

Who owned most of the resources in a market or capitalistic economy? in a socialist or command economy? what determines ownership in a traditional economy. (economies)

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