Will mark brainliset plz need ! what empirical evidence could most effectively and directly be used to convince law makers to remove a dam that is blocking a river used by wild salmon to reach their breeding grounds a.) information about the number of salmon offspring are produced over several years. b.) information on the distance from the ocean to the rivers that the salmon use. c.) information on how often the salmon mate during their breeding season. d.) information on how long it takes the juvenile salmon to grow into adults.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

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.