Which sentence best describes the process of convection?
a. sunlight travels through space.
b. cool air sinks, which forces warm air to rise.
c. water vapor in the air forms liquid water.
d. a rock melts when magma touches it.

When cool air sinks it forces warm air to rise is a example of convection.

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )