Climate change Essay Example | Topics and Well Written Essays - 1750 words

Climate change - Essay Example My interest grew stronger in this specific topic because it is that in one way or the other, it has an influence on other earth systems and it has an even greater impact on human beings. Our atmosphere is composed of gasses that play an important role in life. Oxygen, for instance, is considered as a vital gas to support life; it is the air that we breathe. Other than life, our atmosphere is responsible for reflecting away harmful sunrays from reaching the surface of the earth. The general theme of my essay is the effects of atmospheric change on life forms. It is an important subject of interest because as I had stated earlier, it is of great importance to life. We should study its changes and work on how best we can conserve it in order for it to keep supporting life. In relation to earth systems, the atmosphere also gives us weather. The wind, rain, and snow are all dependent on the atmosphere. Plant life directly depends on the atmosphere of carbon dioxide, which is a vital component of plant growth and development (Harington). In addition, let us not forget the good old air we breathe as living organisms comes from the atmosphere. The composition of the gasses in the atmosphere which gives the gasses, 78% nitrogen, 21% oxygen and a 1% of other gasses and dust. The atmosphere sticks to the surface of our planet thanks to its gravitational field. The atmosphere is divided into five layers; ii. The thermosphere is the second outermost layer, which sits at about 80 to 700 kilometers above sea level and is separated from the exosphere by a layer called thermopause. The layer is completely cloudless, and the molecules are in extremely low densities and its temperatures can rise as high as 1500 `c but it would not feel hot to a human in direct contact because of low density of molecules (Nolt). iii. The mesosphere sits at the third highest level of the atmosphere at about 50 to 80 kilometers above sea level. Temperatures here drop with