Whoever answers first gets brainli... Why do the birds wings move down when it flies?
A. The wings need to go down some of the time to reduce friction
B. The wings need to point in the direction of force of gravity
C. The wings move up to down to avoid the friction between the air and the wings.
D. The wings push down on the air to overcome gravity.

Cooperation among oligopolies runs counter to the public interest because it leads to underproduction and high prices. in an effort to bring resource allocation closer to the social optimum, public officials attempt to force oligopolies to compete instead of cooperating. consider the following scenario: suppose that the presidents of two auto manufacturing companies exchange text messages in which they discuss jointly raising prices on their new lines of hybrid suvs. this illegal communication would violate which of the following laws? the sherman antitrust act of 1890 the robinson–patman act of 1936 the celler–kefauver act of 1950 the clayton act of 1914