Answer:
convection currents are the result of differential heating
Heat it, oil it, then use a hammer. Bigger wrench with a coin underneath and bang the heck out of it.
The seasons are caused by the tilt of the earth. when the north hemisphere is tilted towards the sun, it’s summer in the north but the south that is tilted away from the sun it is winter
I would say a. granite maybe. i am not sure.
