A magazine surveyed readers and found that 175 of the 200 teenagers included in the survey spend at least two hours per night on the internet. The magazine then claimed that 80% of its readers use the internet each night. Which statement about the claim is valid?

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.