Can u please help me out with these biology questions i don't understand them 10 Pt's

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will be rewarded? I need some help on these questions i don't get them.1.What is the meaning of the word litter please put it in your own words.2.in your own words,explain the causes of acid precipitation.3.List three sources of the pollutants that cause acid precipitation.Please number off your answers thanks
 
1. A disorderly accumulation of objects is litter, like we through garbage here and there, Thats littering.

2. when the gases coming from the industries, vehicles, Aeroplanes in air accumulate in the air and condense with the clouds and come back down with rain causes acid percipitation or acid rain.

3. Industries, Automobiles, Burning of toxic substances in open.
 
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