4) During convection, what happens to a fluid? Hot fluids will rise, while cold fluids sink.
Cold fluids will rise, while hot fluids sink.
Both hot and cold fluids will rise.
Both hot and cold fluids will sink.

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.