Suppose a deep sea diver dives from the surface to 81 feet below the surface. He then dives down 13 more feet. Find and interpret the sum to describe the diver's present depth.

Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).