Most of earth is covered by water. how can we be experiencing shortages of drinking water?

There is never any shortage of drinking water because we have ton of filtration companies that turn river water to clean fresh drinking water.And again you can always drink tap water.Hope this helps!

it is a learned trait

explanation:

i tried the eyeshadow trick you told me about and it worked so good i i did a yellow going into orange colors and it was bright and you could see it on my eyes