2. Describe any Species Recovery Plan, environmental guidelines, or steps taken for recovery of the
species. What details of the organism's life cycle or ecosystem needs does the Species Recovery
Plan address?

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

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