Taking Earth's mass to be 5.972 x 10²4 kg, and assuming it to be a perfect sphere of diameter 13 000 km, what is its average density? Give your
answer in units of tons per cubic metre.​

as we probably am aware that our atmosphere or air have various levels, each level has different gasses, and each gas has another porousness. at the point when the light originates from lower porousness to higher penetrability, it alters its course. with the goal that implies that when the light originates from the moon to the earth, it alters it's course a lot more occasions. it essentially implies that the state of the light piece of the moon is changed on the earth.

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joke:

h o h o hope you have a merry christmas!