Which way does heat transfer from warm objects to cool objects, or from cool objects to warm objects?

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Is this correct if not can u correct me