A log has a length of 1.0 m, a radius of 0.5 m, and a mass of 50 kg. If the density of water is 1.0 g/cm3, how much is the minimum amount of mass that must be added in order to cause the log to sink? a.
690 kg
c.
780 kg
b.
740 kg
d.
810 kg

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

the correct choice is a .

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the area between the graph and the t axis