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In the U.S., what portion of all trash (measured by weight) is recycled, burned for energy, or composted?

What portion of first-time, full-time students who enroll in a public community college receive a degree from that college within 150% of the normal time required to do so?

How much has the average global sea level risen over the past quarter century?

Among U.S. high school students, which of these groups is most likely to be hit, slapped or physically hurt on purpose by someone they are dating?

Do social welfare programs generally reduce the incentive to work?

Who bears the economic burden of tariffs?

Have labor unions generally raised the wages of unionized workers?

After fertilization, how long does it take the human heart to begin beating?

Is carbon a greenhouse gas?

In the U.S., is the average cost per student of a private school education more or less than average cost of a public school education?