According to the United Nations, approximately how many plant and animal species become extinct every year?

Gender is the analytical concept that is defined as

a. a socially constructed set of ideas that are attached to genetic and physiological traits. b. the sexual relations between men and women. c. an emotional, romantic, sexual, or affectionate attraction toward others. d. self-perceived sexual identity.

One of the best strategies that interest groups can use to achieve their goals is

A. Pressing for changes in high-profile public policies B. Lobbying members of Congress to make small changes in existing policy C. Using the judiciary to invalidate federal legislation D. Encouraging states to use their Tenth Amendment rights and ignore federal law E. Running candidates for office