Two cars are travelling in the same direction on a road. The blue car is travelling at 50 m/s in front of the red car, which is travelling at 75 m/s. What is their relative speed? *

Global climatic patterns are changing because of the melting of polar ice caps. the melting of polar ice caps is an example of the interaction between the atmosphere and cryosphere cryosphere and geosphere hydrosphere and geosphere biosphere and cryosphere