Which of the following is NOT an important greenhouse gas?
A. Sulfur dioxide
B. Carbon dioxide
C. Methane
D. Nitrous oxide
Answer: A
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The source of electrons that comprise a shock is
A. usually a faulty circuit. B. your own body. C. the power station, however remote. D. an electrical disconnection.
Environmental groups for secondary and postsecondary (college) students help participants
A. Develop their organizational skills B. Become ecologists C. Come together to multiply the efforts of people with the same goals and ideals D. Learn how to become effective radical environmentalists E. Come together to multiply the efforts of people with the same goals and ideals, and also help them develop their organizational skills
Today, there are more than 27 million internally displaced persons (IDPs) in the world
Indicate whether the statement is true or false.
Molecules are ________
A) chemicals that cannot be broken or separated B) basic subunits of elements C) two or more atoms held together by covalent bonds D) atoms of an element