What type of rock forms through solid-state alternation of a previously existing rock, by heating, pressure, and/or fluid chemistry?
a) igneous
b) alternative
c) metamorphic
d) precipitates
Ans: c) metamorphic
Environmental & Atmospheric Sciences
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The period of the second hand on a clock is
A. 60 s. B. 1/60 s. C. 3600 s. D. 12 h. E. 1 s.
Environmental & Atmospheric Sciences
Hazardous waste deposited in ponds or lagoons
a. may evaporate into the atmosphere b. may enter groundwater when there are no liners or when liners leak c. may contaminate surface water d. all of these answers e. none of these answers
Environmental & Atmospheric Sciences
A time zone is approximately ________ degrees wide.
A. 5 B. 365 C. 90 D. 180 E. 15
Environmental & Atmospheric Sciences
Organophosphates and ________ are similar in that they lack environmental persistence and have low bioaccumulation.
A. Chlorinated hydrocarbons B. Inorganic pesticides C. Carbamates D. Fumigants E. Natural organic pesticides
Environmental & Atmospheric Sciences