6. Which answer best explains the doubling time of the world’s population? A. It is getting shorter. C. It is remaining the same. B. It is getting longer. D. It is rising sharply, but in time will fall substantially

gravity causes stares to cluster i think so

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.