If the distance between the crest and trough is 1 meter what is the amplitude of the wave

How did different parts of the united states feel about slavery

Summarize the work of famous environmental scientists of the past.

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.