They are neither helpful nor harmful directly to humans, as they eat a lot of grass etc. farmers will class them as a nuisance as they compete with cattle and sheep for food.
If they feel threatened they can be harmful.
If you want to meet a kangaroo there are tame ones in zoos and wildlife parks, but you should stay away from wild kangaroos.
If you need help I recommend you type in the specific question you need help with
hahahha
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
Nope. Not helpful means I don't to help make people sad mostly. Harmful means you are doing a offense
Some people think that homework is helpful
sometimes they are helpful and harmful.
Sandpaper is both helpful and harmful.
it dose not ok people an i am asintist
they are helpful not harmful to plants
E.coli can be helpful and harmful at the same time if you know what i mean. E.coli produces a toxin that can be very harmful to people. Also,e.coli is helpful because it help digest your food.
helpful