Answer:
Adult cottonmouths are brown.
Explanation:
An observation is a fact that you can clearly see and don't have to guess if it is true or not.
For an atom to become a positively charged ion it must lose negatively charged electrons.
Hoarding, it may seem like a complicated question but think it through.... which one of these things doesn't belong... also compare the definition of hoarding to compulsive shopping and you should see similarities.
Plus compulsive shopping patients have tendencies to turn to hoarding.