Which of these observations would show a chemical
matter?
choices are
c. lime juice will burn your tounge
d. glass will break when it's dropped

I'm pretty sure it'd be that lime juice burns your tongue

also where is choices a and b??

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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