What is the length of line segment a b? round to the nearest tenth. 19. 3 in. 21. 3 in. 23. 5 in. 68. 0 in.

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.

What is the leading cause if water scarcity throughout much of the world

According to the passage a mound is