Of the following, the best insulator would be
Silver
copper
air
iron

hi there if you are asking for conformation that wavelingth is the correct answer is wrong it is the answer is frequency. : )

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multiply 2kg by latent heat of vap

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

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!