What are some fact's about food chains?

if an arrow points from one animal to another, the animal with the arrow coming from it is the one that gets eaten and transfers energy up until the animal at the top of the food chain.

Explanation:

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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.