8,000,000 kg of water are at the verge of dropping over niagara falls to the rocks 50. 0 meters below. What is the change in gravitational potential energy as the water splashes on the rocks below?.

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.

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