This figure shows ages of seafloor. Which of the numbered sites is on the oldest seafloor, based on its position?
A. 1
B. 2
C. 3
D. 4
Answer: A
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Science
A. studies the past to predict the future. B. is a human effort to discover how the physical world works by making observations and measurements and carrying out experiments. C. is best described as a collection of facts found through using scientific methods. D. is supported by small amounts of evidence. E. is a mysterious process that can only be understood by experts.
In the past decade, the United States government has
A) discouraged the use of alternate energy resources and promoted the use of fossil fuels. B) promoted but not invested in the development and use of sustainable energy resources. C) promoted and invested heavily through the Recovery Act of 2009 in the development and use of sustainable energy resources. D) required the use of sustainable energy resources for more than 95% of our energy demands by the year 2020.
____ may be the most important weather element in terms of the impact on humans
a. ?Volcanoes b. ?Temperature c. ?Precipitation d. ?Tornadoes e. ?Clouds
A ___________________ would lead a large greenhouse gas emitter to reduce emissions by less.
A. flat charge B. higher pollution tax C. lower pollution tax D. pollution tax