because you can die from it
If the concentration is dense enough, it can deplete oxygen and lead to asphyxiation.
Yes, ozone hole is dangerous to humans. Ozone hole would lead people expose to UV rays which are harmful.
yes the lichens are harmful but to some humans
They are not harmful to humans
Phone radiation can be harmful to humans. It is harmful when the person is on the phone a lot.
earthworms are not harmful to humans theyare just pink and slimmyNo. Worms that are harmful to humans are roundworms, flatworms and hookworms.
Americium is harmful to humans because is very radioactive.
No they are not. In fact, humans are more harmful to them then they are to us.
No, geckos are not harmful to humans. If anything, they are beneficial to humans because they eat insects
really harmful
yes all fumes are potentially harmful to humans
There are many harmful effects of goat on humans. For humans that are allergic to goats they can potentially die.