The process is know as diffusion in which substances move from higher concentration to lower concentration
<span>he easiest way to see parallax is to hold out your finger vertically in front of a background object, a door or wall for example. Shut your right eye and note where on the background object the image of your finger appears. Now open your right eye and close the left one without moving your finger. The image of your finger should appear to have jumped to a different spot on the background wall. It is possible to tell how far away your finger is from your eyes just by measuring the distance between your eyes and the distance that the image appeared to move in degrees of arc. </span>
if it is already as low as it can go
<span>If the water faucet is opened, then the amount of water flowing will increase. </span>
Magnifying Glasses, Telescopes and Glasses.