Question

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

A. Heated liquids at the earths surface

B. Cold temperatures at the North Pole

C. Iron-rich rocks in the mantle

D. Temperature differences in the mantle

Answer 1

Hey there!

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

Answer:

D. Temperature differences in the mantle
Hope this helps
Have a great day (:

Answer 2

The answer is D hope this helps