Research studies of trash on beaches has identified pieces of which of the following types of debris as the most numerous?
A) Bottle caps
B) Cigarette filters
C) Food packaging
D) Plastic nurdles
E) Styrofoam cups
D
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Which of the following instruments indicates wind direction?
A. wind vane B. cup anemometer C. aerovane D. psychrometer
The _________________________ _________________________ _________________________ effectively divided
North America into two large landmasses. Fill in the blank(s) with the appropriate word(s).
Green taxes ________
A) are widely supported and instituted in the United States B) may affect consumers if the companies paying the taxes raise the price of their product C) are taxes instituted on landscaping plants and trees to raise funds for projects promoting sustainable development D) have been rejected by the European Union as being too costly to enforce E) are paid by golfers in areas where sensitive habitat has been converted to golf courses
Isotopes of oxygen, which differ in mass, are used to evaluate ______ in environmental science research.
A. climate history B. the age of organic remains C. the radioactivity of nuclear energy