Ariel drew a diagram to compare two human-induced environmental changes. which label belongs in the area marked y? introduces substances into an environment involves the overhunting of resources causes organisms to use up resources results from the building of roads and bridges

answer: 4

explanation: 8

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.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.