Most lava temperatures are taken at volcanoes that show little or no explosive activity because ____
A)their mafic flows give more accurate average temperatures
B)these volcanoes are extremely rare and, therefore, more interesting
C)explosive volcanoes cannot be approached safely
D)their felsic flows give more accurate average temperatures
E)these volcanoes are extremely common and, therefore, measured more frequently
C
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Which site will most likely experience rapid erosion?
A) 1, cliffs composed of hard rocks
B) 2, sediments in a delta
C) 3, the seafloor deep beneath the waves
D) 4, the coastline of a bay
E) 5, the coastline in a branching embayment
The number of international tourists has ________ during the last two decades
A) remained the same B) shrunk C) more than doubled D) more than quadrupled E) increased ten-fold
Temperature changes from one year to the next are called ____________________ temperature variations
Fill in the blank(s) with correct word
Which type of RNA performs a protective function in many organisms?
A) tRNA B) rRNA C) siRNA D) snRNA