Heat transfer within a fluid takes place by
a. convection currents.
b. radiation.
c. conduction.
d. density. user: the energy from the sun that warms your face is transferred by a process called

The answer is a i think

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

All three of those things are forms of "acceleration".