The correct answer is D. Fires are classified according to the type of fuel they require. This is why it is extremely important to take care when using different types of fire extinguishers, as not all fire extinguishers are meant for each type of fuel in the fire.
In my opinion the theme is something a story is trying to tell you basically it is a life lesson that the story is trying to tell or teach you
This is true
hope this helps:)
B. Older animals are usually surly and ill-tempered.- That can be a sentence in itself as well as the second part. Accordingly it is unwise to attempt to pet a grown raccoon. All the semicolon is doing is combining two sentences to make them one.