Which animal would display a j-shaped curve for its rate of oxygen consumption relative to its speed? sockeye salmon ground squirrel kangaroo bird?

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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well, i believe that the answer is 2. : 3