The scablands of Washington and large ripple marks in Montana and Idaho were formed when the ____
a. proglacial Lake Missoula flooded
b. pluvial Lake Missoula flooded
c. proglacial Lake Bonneville flooded
d. pluvial Lake Bonneville flooded
e. Wisconsinan glacier experienced a catastrophic failure
a
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A population pyramid with a wide base and a narrow peak is characteristic of what kind of growth rate?
A) slow growth B) zero growth C) rapid growth D) negative growth E) It is impossible to tell the growth rate based on the shape of a population pyramid.
Why is the tumor suppressor protein p53 given that name?
A) It was the 53rd tumor suppressor discovered. B) It is effective against 53 different tumors. C) It has a molar mass of 53,000 grams. D) None of the above is correct.
Cooling ponds and cooling towers are methods of controlling thermal pollution.
Answer the following statement true (T) or false (F)
Which of the following is a basic structural component of the most common mineral group?
a. a sulfate ion b. a water molecule c. a silicon-oxygen tetrahedron d. metallic bonds e. a carbonate ion