When two different air masses meet, a boundary is formed. the boundary between two air masses is called a front. weather at a front is usually cloudy and stormy. there at four different fronts: cold, warm, stationary, and occluded
Well, that would be a plane (flat) mirror
<span>provided that </span>
<span>the mirror and the object are oriented parallel to each other</span>
-2. This is because it is gaining electrons. Electrons are negative. Therefore it is a negative charge.
I believe you are right. pH is the concentration of H+. Therefore the more acidic the more H+.
