During convection, hot material

Question

then moves to the side and
. This circular pattern is called a convection current.
cools an rises
deflates and rises
expand and sinks
expands and rises
warm and rises
deflates and rises
cools and sinks
theres 2 blanks

Answer 1

During convection, hot material expands and rises. This circular pattern is called a convection current.

Answer 2

theres 2 answers

Answer 3

I apologize for the oversight. The correct completion for the sentence is:

During convection, hot material expands and rises, then moves to the side and cools and sinks. This circular pattern is called a convection current.