You place a beaker of water on a hot plate and heat it up eventually it starts to boil and you see bubbles for me you also seemed steam rising from the water surface is it physical or chemical change

Three resistance 4,4 and 6 ohms are joined in the series.the total resistance will be

Atoms in a molecule are bonded together by sharing gaining or losing_

The results of huy's eye exam show that he is nearsighted. which explanation should huy expect to hear? "you need convex lenses to shorten the distance that light takes to focus in your eyes." "you need concave lenses to shorten the distance that light takes to focus in your eyes." "you need convex lenses to lengthen the distance that light takes to focus in your eyes." "you need concave lenses to lengthen the distance that light takes to focus in your eyes."