If for every action force an equal and opposite reaction force exists, how can anything ever be accelerated? a.)the action and reaction forces act on different objects, therefore the net force is not always zero. b.)the action force, when accelerating, is greater than the reaction force. c.)the reaction force is not always in the same vector direction as the action force. d.)none of the above

Isobars are lines of constant or equal pressure on a weather map. they can be used to find areas of low or high pressure over a broad area, and they can tell us how intense the system may be. on weather maps, you may have noticed areas that have a large l or h over a region with lines circling around them. the l stands for low pressure and h stands for high pressure. the lines circling them are isobars. check out the pressure system and isobars over georgia and florida. what is the present weather in this area ? a) clear and sunny b) cold and cloudy c) changing weather d) lots of precipitation