No. Silica, or silicon dioxide, is not a vitamin and should not be consumed by humans or animals.
no,silica is used in makeup to prevent irritation on your skin. Since silica is one of the most common minerals on the earths crust, we have an abundant quantity. Therefore it is used very often in mineral makeup and is not harmful. just kidding :) i have no idea
Yes! silica sand isn't harmful to fish because they breathe through their gills and it excludes most things that are similar to silica sand
yes the lichens are harmful but to some humans
They are not harmful to humans
earthworms are not harmful to humans theyare just pink and slimmyNo. Worms that are harmful to humans are roundworms, flatworms and hookworms.
Phone radiation can be harmful to humans. It is harmful when the person is on the phone a lot.
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