Night-vision goggles, used by military, detect heat emitted from organisms. this technology allows soldiers to see a person standing over 200 yards away on a cloudy, moonless night. what part of the electromagnetic spectrum does this technology use?

samuel de champlain. in 1608, king henry iv sponsored pierre dugua, sieur de mons and samuel de champlain as founders of the city of quebec with 28 men. this was the second permanent french settlement in the colony of canada.

you did not give any options thus this is the best answer i can give to you with this little information you have given

> they are both natural and not man made

> they can be tracked and predicted by the right tools

-love shrooms