Answer:
Kyanite is a major raw material for the mullite used in spark plugs and other refractory porcelains. A clear, deep blue variety is sometimes cut as a gemstone.
Explanation:
Hope this help!!
Poof just like that
everyone
gone
forever
lol
but in all seriousness, human life would cease to exist.
All 3 of them explain the reason why people wear the mask to stop HIV