Well, they can be harmful to a garden or any area with vegetation. However, they are not harmful to any other animals or humans. They are herbivores which means they will only eat plant material. They are also low in the food chain so many animals can harm them but they cannot harm others.
They can be both,but helpful more often
The meat is of course a excellent protein source ,and pet rabbits provide lots of entertainment ;D
No, it is acually very helpful.
If you need help I recommend you type in the specific question you need help with
AH! i love pointless questions like these!!! he is helpful man
yes they r cool
it can be helpful or harmful
sometimes they are helpful and harmful.
It can be both. Jack rabbits do like to eat crop foods but will also eat non crop vegetation that fights for soil with crop type vegetation. Every animal has a place and duty in the ecosystem.
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.