A student is preparing a sugar water solution to make rock candy. When the student continues to add sugar to the solution no additional sugar dissolves. Which kind of solution does the student have?
A) a saturated solution
B) a supersaturated solution
C) an unsaturated solution
D) We cannot tell.
A
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Populations can be critically limited by
A. Suitable shelter from the elements B. Suitable shelter from predators C. Available food D. Available water E. Any of these, depending on the system
Clay is a facilitator for mass wasting because clay ________
A) particles are so small B) absorbs water C) has solution cavities D) dissolves when wet E) particles are larger than sand
List at least three possible hidden costs associated with burning gasoline in an automobile.
What will be an ideal response?
For each person who makes the 250-mile trip from Saint Louis to Kansas City, which of the following varies the least from person to person?
A) absolute distance B) relative distance C) cognitive distance D) distance-decay function