An informative essay should be entertaining and interesting.
explain why something happened.
argue as well as make a point.
result from extensive research.

Because writing on paper is said to engrave what your writing down into your brain therefore writing your thoughts is better than speaking them.

The answer would be d.hope this !

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.