I think maybee Ants (:
gorilla helpfull are harmfull
If you need help I recommend you type in the specific question you need help with
Carabaos are helpful to people because they can be used for milk and food. They can be harmful because it is a large animal that could stomp on a person and kill them.
it can be helpful or harmful
sometimes they are helpful and harmful.
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.
they are helpful not harmful to plants
harmful
Depends on what part of "harmful" or "helpful" you are referring to.
helpful
Helpful