Question

What activates a convection current, starting the flow of a fluid?

A.
cold temperatures at the north pole

B.
heated liquids at the earth’s surface

C.
iron-rich rocks in the mantle

D.
temperature differences in the mantle

Answer 1

@mehek14

Answer 2

oh ok:(

Answer 3

@pooja195
plz try to help me

Answer 4

will medal and fan

Answer 5

@Whitemonsterbunny17

Answer 6

What choices can we eliminate?

Answer 7

@countrygirl1431

Answer 8

ummm c and a

Answer 9

i think it is d