A weakly foliated metamorphic rock composed of quartz is classified as a
A) quartzite.
B) marble.
C) hornfels.
D) gneiss.
Answer: A
Environmental & Atmospheric Sciences
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The vertical difference between consecutive high and low tides is called the ________
A) ebb tide B) flood tide C) tidal bore D) tidal height E) tidal range
Environmental & Atmospheric Sciences
What is included in a quantitative analysis of plankton?
A) An estimation of plankton in a volume of water B) An estimation of salt concentration in the water C) The behavior of plankton D) The amount of sunlight used by plankton
Environmental & Atmospheric Sciences
Air pollution levels that may be life-threatening within a few hours or days are termed:
A) high risk B) fast acting C) toxic D) acute
Environmental & Atmospheric Sciences
Which of the following organisms is a secondary consumer?
A. mouse B. bacteria C. wolf D. elk
Environmental & Atmospheric Sciences