8. What is the difference between a unicellular organism and a multicellular organism?

Explanation:

unicellular organism are single celled organisms and usually cab not be seen by our naked eyes. Example:yeast, microscopic algae, bacteria and more

multicellular organisms are organisms that have two or more cells. Example plants, animals

maritime tropical may be your answer.

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.