The pH scale is a measure of the concentration of ________ in a solution
A) total ions B) water C) sulfuric acid D) hydrogen ions
D
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Which of the following is the major source of outdoor air pollution?
A. burning of fossil fuels B. volcanoes C. agricultural activities D. meteorite impacts
Within minutes of the Big Bang, the first atoms of the Universe developed. What are these "first atoms"?
a. Oxygen b. Carbon c. Hydrogen d. Helium e. Both c and d
Early gases that had begun to accumulate around Earth during the Early Archean were lost because of a lack of a(n) ____________________
Fill in the blank(s) with correct word
The bottom trawling method of fishing
A) is an effective way to prevent overharvesting of commercial species. B) reveals a design that is intended to limit bycatch. C) results in environmental degradation similar to clear-cutting a forest. D) assures below TAC levels in compliance with the Magnuson Act.