Science is a subject in which we study about the nature of substance, activities of object and the special abilities such as the change of color of chameleon etc.
Do you know in what ways science affect us? Or do you really like science and want you to know more?
We will answer this. You have imagined that if we are not able to take air properly or there is no air or we does not have respiratory system to take breath. You have imagined these thing that if they really does not exist then what would happened to us. If you not imagined then it is the time to imagine and to enter the world of science.
This the only time when you can think about what actually cause glaciers to melt, does in 2012 Earth will end and there will be no life on Earth. You will get answer of this in my next posts.