Heat transfer by convection is based on a) particles bumping into each other due to increased motion
b) electromagnetic radiation moving through space
c) the current set up when the density of a substance changes as it warms or
cools
d) the ability of different substances to transfer heat differently
e) none of the above

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.

a corroding iron, if that's one of your choices

1 is the answer to this problem

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.