the volume of a cylinder is given by the formula , where r is the radius of the cylinder and h is the height. which expression represents the volume of this cylinder?

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.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Cartels control the production and pricing of goods mainly through a) the elimination of competition. b) the cooperation of their members. c) the limitation of price controls. d) the manipulation of government pressure.