This movement is called convection. It can be found in liquids, gasses and rheids - solids that can also experience movement ( on a big time scale), such as the earth mantle. One of the types of convection is diffusion: net movement of gasses from higher to lower concentration areas.
If you're simply trying to convert 84lbs to kg, then it'd be closest to 38 kg
Answer:Geographic featured that acted as norther borders of the Roman Empire at its height were: Rhine River, Danube River, Carpathian Mountains, and the Black Sea.
Answer:
3) Bismarck, North Dakota
Explanation:
The city that has a climate characterized by confidentiality is Bismarck, North Dakota. This city is relatively close to the center of the US, thus it is far away from the large bodies of water. It is in the mid-latitudes, so it doesn't have too much of an influence from the Arctic or from the tropics. Bismarck has just about enough rainfall so that it is not semi-arid, though it is on the borderline. The summers tend to be dry and hot, while the winters tend to be very cold and snowy.
