Cold front brings a sudden drop in temperature sometimes with hail , thunder , and lightning . Warm fronts bring gentle rain or light snow , followed by warmer , milder weather . Stationary front brings a cold and warm air together and neither air mass has the force to moved the other . Occluded front brings a warm air mass that gets caught between two cold air masses .
Yes plant cells do have mitochondira
Passive transport DOES NOT need energy(ATP), while active transport does.
Http://www.innerbody.com/image/musc01.html
YOU CAN FIND YOUR ANSWER HERE.
