Which statment best explains why the atmosphere is considered an open system

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas

Both pictures below were taken at the same time of day, but one picture was taken in summer, and the other in winter. how can you tell which is in winter

After railroads, the next revolution of transportation came with the development of (a) automobile (b) telegraph (c) steam engine