Apiece of wood is floating in a tub of water. a second piece of wood rest on top of the first piece; it does not touch the water. if the second piece is removed from the first and placed in the water, what happens to the water level in the tub? a. the water level cannot be determined without additional information. b. the water level remains unchanged. c. the water level rises. d. the water level drops.

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