What is one way the author helps develop the central idea of the first section section 1 people dream every night during a sleep cycle called REM sleep

Iam sorry i do not know the answer

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.

Ithink that the evidence would be the connection the man and his dog have together, and the bond that they've shared together.