The difference between a prepared and impromptu speech is how much time is given to the speaker prepare or rehearse
Answer: Convection defines the heat transfer by air or water. It is the process by which heat is transferred from a hotter body to a colder body.
Explanation:
Examples of convection are: Steam rising from a coffee mug, smoke rising from campfire, heater blowing warm air.
The warmer air moves up and the colder air sinks in or down. This is how the convection works.
The heat from coffee moves through the steam particles into the air. Another example is heated air blows from the blower. The smoke rising from fire carries warm air to the upside and colder air to downside.
I'm pretty sure the answer is A
<span>Which of the following statements about a subordinate clause is correct?
A. There must be at least one subordinate clause in every compound sentence.
B. A subordinate clause cannot stand by itself as a sentence.
C. A subordinate clause must always have a single subject and a single verb.
D. A sentence cannot contain two subordinate clauses.
Have a good day.
</span>
