I would call poison control and your local vet.
No, your dog cant die if it eats a packet of stuff they put in shoe boxes but they can get very sick.
if a dog eats ants its perfectly fine dogs eat everything
Poop
the dog eats poo
Not much unless he eats too much.
The duck will get sick
you should call a vet
He won't digest it and it may make it sick.
it is an overdose, it can give your dog an infection internaly, dont do it
Nothing. They are harmless.
you have to rush it to the closest hospital or vet
if he/she doesnt have any health problems, nothing should happen.