Because it might contain certain harmful gases such as Carbon dioxide, methane, and so on which are harmful to lungs.
They might cause erosion.
hydrogel is harmful it might hurt them but i dont think it would kill them......but yes it is harmful
yes; kerosene is harmful because it pollutes the environment and people might be sick or die and also is harmful for animals too.
Bacteria
Yes there is.
Freeloading is a harmful activity because people might not know what free loading is and because they can get hurt.
it can be very harmful because when you do science experiments you might ending up in the hospital because you got hurt?
cause i said
because the inference might be based on poor reasoning
it can be very harmful because when you do science experiments you might ending up in the hospital because you got hurt?
because the inference might be based on poor reasoning
It is not. If you have blonde hair, be careful. It might not come out