You didn't specify, but a human should be awake no longer than 16 hours a day (if this is what you meant)
Answer:
how likey a vent is to happen it is between 0 and 1 as 0 meaning impostible and 1 meaning is completely 100% pos
While none of the answers is what I consider the main idea of this essay, I believe that C is the best possible answer. Each of the paragraphs discusses how particular groups are impacted by the use of lights in urban areas.
hope this helped :)
alisa202
