A cat thinks that you are opening a can of cat food when it hears the can opener.
A dog shying away from a magazine or newspaper, if the owner has used one to swat the dog as punishment.
If humans are ok to use as examples, A child learning that a stove is hot by touching it.
I THINK!!! a. but i could be wrong sry if i am
Repetition, rhyming ... that's all I can think of
I don’t believe so, neutrons have no charge so the weight of the atom is not changed but I believe the atom would now have a negative charge
