Plzz answer : sodium chloride breaks down into sodium and chlorine. why is this process classified as a chemical reaction? a. a substance has been changed into a different substance. b. change can only occur in one direction. c. there is greater mass of the sodium chloride than there is of the products. d. the original molecular formula has been altered

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.