Scientists believe that the phenomenon of global warming is primarily a result of __________

A) regular fluctuations in the climate
B) the melting of polar ice caps
C) widespread deforestation
D) the burning of fossil fuels


D

History

You might also like to view...

Great Britain had __________ compared to most of continental Europe.

A. few barriers to trade B. numerous barriers to trade C. an inefficient tax system D. more direct taxes

History

Which of these ruled in the name of the caliphs in Baghdad after 1055?

A) Persian slave mercenaries B) crusaders C) Seljuk Turks D) the Buyids

History

__________ was a medieval nobleman's sole occupation.

A. Warfare B. Agriculture C. Construction D. Religion

History

Early in his presidency, Jimmy Carter gave priority attention to

A. reform of government and education. B. passing civil rights legislation. C. federal spending and Soviet-American relations. D. energy and the economy. E. conservation and the environment.

History