Which of the following is NOT and example of a mixture?*
air
salt and pepper
water

water because the other two were formed through a chemical process

the movie was based there, and all the animals and characters are native.

~courtney

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.