If the distance between two charges is increased to three times the original distance, how will the electrical force between the charges compare with the original force? a) it will increase to three times the original force. b) it will increase to nine times the original force. c) it will decrease to one-third the original force. d) it will decrease to one-ninth the original force.

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