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Biology - Essay Example

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There is some theory that some of these pollutants are in the form of solid matter that we cannot see; yet we breathe such matter into our lungs every time we are outdoors. To test out the theory that we are breathing solid…
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Download file to see previous pages Rigging up the filter in this fashion keeps it from bumping into any trees or other objects outdoors, which would taint the entire experiment. Next, I smear Vaseline on both sides of the filter. The entire filter is practically covered with the Vaseline, which will enable any solid matter in the air to stick to the filter, allowing us to see what is exactly in the air that we breathe every day, as well as have a means for getting a rough measurement. While we will not be able to measure the particles in a numeric sense, we will have a clue as to what is going into our lungs when inhaling in the air outdoors. As it stands right now, the Vaseline covered coffee filter is a very shiny white. It has a very shiny clean appearance, and it feels very slick to the touch. There are no dust particles and other solid matter on it. However, by the end of the experiment, I hypothesize that the entire filter will be covered with dust and other solid matter, being that there are a great deal many pollutants in the air from the things that we do in our everyday environment. The coffee filter will be covered so much that the solid matter will be caked onto it, and the shininess that is now present will be no more. The filter will have a completely dirty appearance, as well as being gritty to the touch.
The filter appears to have very small and gritty looking dirt particles on it, which I can assume are a mixture of dirt and other solid matter in the air that are caused by pollution. The dirt particles and solid matter are trapped by being stuck to the Vaseline. The filter still has a lot of shininess and cleanness left on it; nevertheless, it is beginning to look dirty. The dirt particles are of a brown color, and they appear to be small, such as like that of grains of sand. Dust particles are also mixed in along with the dirt particles, and the dust has a powdery look. The layer of dirt, solid matter ...Download file to see next pagesRead More
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