1. (a) define the term scaling and briefly explain why it is used in meteorology (3 marks) (b) amid-latitude weather system has the following characteristic scales: horizontal velocity 60 ms vertical velocity 10 m s horizontal length 100 m vertical depth horizontal pressure fluctuation kinematic viscosity .5x10ms radius of the earth 0m density surface pressure 10 km 1000 mb 40 mb estimate the magnitude of each term in the following equations, showing all work clearly oz (12 marks) oz (c) briefly discuss the results of the scaling. 5 marks)