um...
well at its most harmful it can sorta cause death...
yes its harm full but not as harm full as not drinking
yes! eating the nip of pencil is harmful if its made up of graphite
NO.
no
yes I believe it is harmful
No, eating eggs in not harmful. Though, eating raw eggs could make you sick, but otherwise any form of egg isn't harmful if it doesn't have a disease like salmonella in it.
yes it is but the chemicals will make it is harmful
No it is not harmful but it is likely that they will not enjoy eating it.
yes they can, it can be very harmful.
grass eating
Over eating harmful :)
YES
Not too harmful but will give you heart burn