When we switch on the air-conditioner at home, cool air is produced. The cool air from the air- conditioner is the result of a long chain of events. Some of the events are shown below. Rearrange these events in their correct sequence. (a) Steam is produced to drive turbines. (b) Natural gas is formed from decayed plants over millions of years. (c) Turbines drive generators in power stations. (d) Plants absorb energy from the sun during photosynthesis. (e) The air-conditioner uses electrical energy to do work to cool the air. () The sun produces energy by nuclear fusion. (g) Natural gas is burnt in power stations to make steam. (h) Generators in power stations produce electricity.​