The enhanced Fujita scale was implemented in the United States in 2007. A tornado with a three-second wind gust speed of 145 would be classified as an:
A) EF 1 tornado.
B) EF 2 tornado.
C) EF 3 tornado.
D) EF 4 tornado.
C
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Which of the following statements pertaining to the Clean Air Act is incorrect?
a. The Clean Air Act, created by Congress in 1970 empowered the EPA to regulate the quality of air we breathe. b. The EPA established national ambient air-quality standards on a number of air contaminants called criteria air pollutants. c. Standards for six criteria air pollutants have been established to include carbon dioxide, ground-level ozone, mercury, nitrogen dioxide, pollen, and hydrogen peroxide. d. The primary standard identifies a contaminant concentration in the ambient air that protects human health.
____ is stiffening of muscles, which makes the body feel rigid.
A. Algor mortis B. Livor mortis C. Rigor mortis D. Dependent lividity
The term threshold refers to the point at which a ________ will produce a cell response.
A. current B. receptor C. contraction D. stimulus
________________ etiquette involves issues such as the need to avoid talking badly about another practitioner, maintenance of appropriate relationships at the worksite, or the need to stay within the role boundaries of our specialty
a. Professional b. Legal c. Ethical d. Moral