Deposits of sand and gravel that contain gold particles large enough to be recovered by panning are called ____
a. the mother lode
b. strikes
c. placer deposits
d. prospective deposits
e. gold domes
c
Environmental & Atmospheric Sciences
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The most important function of cities in traditional societies was economic
Indicate whether the statement is true or false.
Environmental & Atmospheric Sciences
Complete the concept map by selecting the best response for the question numbers listed.
Complete the concept map by selecting the best response for question number 7.
A. Convergent B. Transform C. Divergent
Environmental & Atmospheric Sciences
The image below shows a beam of radiation passing between two electrically charged plates. 
Which of the beams is due to a high energy electron?
A. a B. b C. c D. all of the above E. none of the above
Environmental & Atmospheric Sciences
Which has the most high-quality energy?
A. gasoline B. oceans C. atmosphere D. wood
Environmental & Atmospheric Sciences