At what stage of stellar evolution does a star have a shell of burning material and a non fusing core? A. the giant stage

B. The dwarf stage

C. The protostar stage

D. the supernova stage

E. the main sequel stage

In a good thermo flask the main cause of heat loss is

Ain is , is 's of ? 0.62 0.79 1.27 1.50

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