yes they r cool
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
it can be helpful or harmful
centipede,milipede,crokroaches
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
helpful
Helpful