A beaker of salt water has some solid salt at the bottom? What type of solution is in the beaker?
A) a saturated solution
B) a supersaturated solution
C) an unsaturated solution
D) We cannot tell.
A
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Estimate the discharge of the
50-year flood: ______________
100-year flood: ______________
500-year flood: ______________
The residence time of one molecule of water in the ocean is ________.
A. 3 years B. 3,000 years C. 30 years D. 300 years
The East Pacific Rise is an example of ________ plate boundary
A) a continental-continental divergent B) an oceanic transform C) an oceanic-continental convergent D) an oceanic-oceanic convergent E) an oceanic-oceanic divergent
In the United States and most other developed countries, there has been an increase in the number and quality of _______________ treatment plants since the 1970's
Fill in the blanks with correct word