A mass of sediment composed of a widerange of grain sizes, at least 20% of which is gravel-sized,is called _____
a. rock
b. mud
c. talus
d. debris
e. soil
d
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Although gyres flow continuously, oceanographers categorize them into four interconnected currents. Indicate whether the statement is true or false
A nuée ardente is composed of fiery hot gases and dust
Indicate whether the statement is true or false
Diethyl ether can be made from ethanol. The reaction is: 2 C2H5OH(l) ? (C2H5)2O(l) + H2O(l) In one experiment 46.0 g of ethanol yielded 34.7 g of diethyl ether. What was the percent yield in this experiment?
A) 62.1% B) 80.4% C) 93.8% D) 97.0%
If you are in a boat in an estuary, when will tidal currents going out to sea be strongest?
a) When the full Moon rises b) At high tide c) At low tide d) Halfway between high tide and low tide e) Halfway between low tide and high tide