what is 2+2 also i am looking for someone named emily she has blonde hair about 5 foot 6 anyone no her

4

Explanation:

1 + 1 = 2

2 x 2 = 4

You could also think of it as 2 + 2!

Or 1 + 1 + 1 + 1 !

Hope this helps!

( No i havent im sorry :( )

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

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