Heat rising and cooling in a room is an example of

Convection

Explanation:

This is an heat transfer means that occurs in fluid.

In the case of air conditioning.

Cold air keeps falling towards the ground because it is denser while hot air rises till the room is saturated.

themselves

an intensive pronoun is a pronoun that ends in self or selves, such as himself, herself, themselves, yourself, ourselves. since band members is a third person plural, the correct intensive pronoun would be themselves. if the band was talked about as a collective noun, itself would be the appropriate intensive pronoun. intensive pronouns are used to add emphasis to the noun it's modifying which is why it directly follows it.

hi my name is bob.hi and bye and this this tahta jjsab jjja