Put these important historical events of the medieval period in correct order, from earliest to latest. the start of the Hundred Years War the fall of the Roman Empire the Battle of Hastings the coronation of Charlemagne ↓ ↓ ↓

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.