find the volume common to two spheres, each with radius r, if the distance between their centers is r/2. [hint: it may be helpful to look at the previous question and see how it relates to this one. ]

Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs

Name and describe how to implement one method of embellishment.

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.