Paleomagnetism confirms that at particular times in the geologic past Earth has had more than one magnetic north pole (t/f)
What will be an ideal response?
Answer: f
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As Marie jumps up and down on a floor, the support force by the floor
A. varies. B. remains constant. C. distributes unevenly. D. none of the above
What percentage of the commercial energy used in the United States is wasted?
a. 14% b. 24% c. 44% d. 64% e. 84%
Religions with strong territorial and cultural group identification, such as Japanese Shinto, are known as:
A) universalizing religions B) tribal religions C) ethnic religions D) traditional religions
What is not an effective means of improving the energy efficiency of buildings?
A. use of energy-efficient appliances B. use of energy-efficient LED light bulbs C. plugging leaks D. installing large windows into the northern side of new housing E. use energy-efficient windows