What is the density of a mineral sample with a mass of 20 g and a volume of 12 cm?

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

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.