Which of the following statements about metal elements is correct?.

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Which of the following does the reading test of the sat ask you to do ?

Consider the image seen here. the image, at point y, represents the process of during which a is being produced.