Which of the following is not a possible source of water contamination?
A) Dry cleaners
B) Farms
C) Rocks that have been mineralized by natural processes but not mined
D) Houses
E) All of these are possible sources of contamination.
E) All of these are possible sources of contamination.
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Which of the following statements describes how wind machines can prevent surface air temperatures from reaching extremely low readings?
A. They blow smoke over an orchard or field. B. They reduce the rate of cooling by evaporation. C. They mix surface air with air directly above. D. They increase the evaporation rate from fruits and vegetables.
Which American president increased protection of wilderness in the Sierra Nevada Mountains in the early 1900s?
A) Woodrow Wilson B) John Quincy Adams C) Theodore Roosevelt D) William McKinley E) Thomas Jefferson
The majority of countries in the core are not expanding their nuclear power capabilities
Indicate whether this statement is true or false.
This religion is the most prevalent, non-Christian faith on the West Coast of the United States
A) Zoroastrianism B) Juche C) Judaism D) Shintoism E) Buddhism