A gas' pressure is 850 torr at 47 degrees. At what temperature will the pressure be 655 torr?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Can someone me with 3 and 4 plz. this is for masteries test.

The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide