When air masses of different densities collide, the less dense air mass is forced to rise through frontal lifting.

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

All motion is caused by force? true or false