Which of the following choices best defines the concept of social stratification.

Which of the following words identify a question as absolute

Why do you need to classify the size of a particle

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.