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It dries out. Mould spores can land on it and grow.
If untied or secured properly to a post or something, helium balloons cannot be left in open. helium is lighter than air and it will rise up in the air easily.
Biscuit contains high content of Starch, bread do not, Starch is humidity sensitive and attract humidity from air. Biscuit made with starch to be able to absorb liquids in it, bread do not. Hope this will help, Thanks for asking.
A hot flame is obtained (but not the hottest) with a color violet-white.
what will happens to a plant exposed to air
it gets stolen
it dissolves its self it Sharon's
It will attract flies ants and bees, and will also likely go moldy
It slowly absorbs moisture (water molecules) from air and becomes diluted with the passage of time.
the air in a fridge when you open the door gets hotter because you let the particles out
pineapple
that happens when you open the door and air comes in!
it turns yellow in colour
No- it just means that it was left open in the warm air.
on the left when u open the hood
Yes, but it also lets out the hot air from the attic.
sulphur powder