Do some research online to look at how weather simulations are performed. In your own words, describe a) the general approach to how weather simulations are performed (2 marks, 200 to 300 words) b) what makes them so demanding for computational resources. Include some example numbers (2 marks, 200 to 300 words) c) describe a typical supercomputer that is used for weather simulations (1 mark, 100 to 200 words)