Introduction

Firstly, I have chosen this question because it affects us globally. When the hydrocarbon crude oil, which is a non renewable fossil fuel (and cannot be used again in our lifetime), is under combustion, it gives off emissions such as C02 which is a green house gas. These gases then form a cloud that traps the suns rays from reflecting back into space, so the bounce back onto earth, shaping almost a zigzag formation. This means that the suns rays are repeatedly hitting earth, causing the temperature to rise, this is called global warming. Through global4 warming scientist have calculated that after the next 20 years the global temperature will rise by 2 degrees, not much but after the next 100 years it would be 10 degrees, a major change. Signs of global warming can already be seen through the .melting ice caps in the Arctic which are causing the polar bears to evolve or become extinct (evolution) due to human factors once again. Also the increasing amount of forest fires around the equator suggests that our climate is definitely changing.

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It also affects me personally because it affects my environment in which I live in for without crude oil we could not be able to produce petrol, which my car uses for fuel so I would not have a car, most power stations could not provide energy for they use crude oil to generate electricity, heating etc, plastic is also made from crude oil through polymerisation which we use daily for food packaging etc. Without crude oil my life would change dramatically, but if we keep using it our global climate will also change, there has to be another ...

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