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mars1129 [50]
3 years ago
10

Sandpaper is a type of rough material that is rubbed on other surfaces to make them smoother. Ms. Fonger is rubbing a piece of s

andpaper on wood that will be used to make a table. What kind of energy is being produced?
Chemistry
1 answer:
torisob [31]3 years ago
3 0

Answer:

Heat energy is being produced due to friction.

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What do oxygen, silicon, and selenium have in common? How might this relate to their organization on the periodic table?
Sonbull [250]

Answer:

They all belong to the p block in the periodic table

Explanation:

Let us examine the electronic configuration of each element;

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