If good c increases in price by 20 % a pound, and this causes the quantity demanded for good d to increase by 30% , what is the cross-price elasticity of the two goods? round your answer to one decimal place.

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.

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.

Carbon dioxide can be produced form what type of power generation?