Asthma Info: Please someone proof read this. Also, please critique my story and tell me what I need to work on. Thnxs lots?

Hi,I did the following:

Please someone proof read this. Also, please critique my story and tell me what I need to work on. Thnxs lots?Air pollution is a dangerous issue happening here on Earth. Air pollution has effected the ozone layer, caused humans to have problems with their lungs, and produces acid rain.
Air pollution has effected the ozone layer which has caused global warming, according to Stratospheric Ozone. Thanks to global warming, the ice poles are melting; soon, the polar bears will have to be swimming underwater.
-Another issue with air pollution is that it causes humans to have lung problems like asthma and lung disease. In a recent survey provided by Natural Resources Defense Council, about 20 million people have gotten asthma due to air pollution that is caused by pollution from cars, factories, smokers, and power plants. In the past year, asthma has killed over 5,000 people in the U.S. Also, "Outdoor Air Pollution & Lung Disease". The Australian Lung Foundation quotes that 7% about 1,500 people get lung cancer due to a.p

-Helper!
In the second sentence of the first paragraph, you say "Air pollution has effected..."

This is repeated again, in the first sentence of the second paragraph. I would change the wording a little there, just to have a different word variety. (You may get docked points for having 2 sentences that start off the exact same way if this is a school assignment.)

Hope this helped!

-Thomas

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Orignal From: Asthma Info: Please someone proof read this. Also, please critique my story and tell me what I need to work on. Thnxs lots?