What is the most important factor in determining climate

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.

Match each fossil with the layer where it’ll be present based on those conditions.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water