The refractive index of seawater ____
a. is greater than freshwater
b. is less than freshwater
c. is equal to freshwater
d. decreases with increasing salinity
e. occurs at a 90° angle
a
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Which of the following is a lesson that we as historians can learn from the reforms of the Gracchi, and their subsequent significance for the Roman Republic?
A) The political violence against the Gracchi set a dangerous precedent B) The proposed laws showed a growing conflict between the rich and the poor in the Roman state C) The Gracchi got a lot of popular support, which suggested that their proposed reforms would be championed again by later politicians D) All of the above
____________ are multicellular photosynthetic algae that occur in a great variety of sizes and shapes and are
classified by their ____________ ____________. Fill in the blank(s) with the appropriate word(s).
Which of the following is a problem with using contingent valuation to determine risk?
a. It assumes that people can put prices on everything. b. It follows the full consequences of a risk through an economy. c. It understands how much risk of externalized. d. It accepts higher risk levels than “normal.”
What two conditions must be met for a glacier to form?
What will be an ideal response?