The most common compounds in organic sediments are *

A nationwide effort measured trace organic compounds (N = 33) in water and sediment of 42 lotic ecosystems across the US. The most common compounds were caffeine, carbamazepine, cotinine, sucralose, sulfamethoxazole, triclosan, and venlafaxine.

Explanation:

oak trees? ? what was listed

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.