The main mechanism for melting at spreading ridges is decompression melting of ultramafic mantle rock
Indicate whether the statement is true or false
TRUE
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Examine the geologic time scale shown here. Which is the longest-lasting period of geologic time? Which is the shortest period? Why should these periods differ so much in duration?
What will be an ideal response?
How does a specific aminoacyl-tRNA synthetase recognize its tRNA?
A) by the anticodon loop of tRNA B) by the residue at the 3' end of the tRNA C) by the residue at the 5' end of the tRNA D) By a nucleotide sequence on the tRNA which may or may not include the anticodon loop.
A region prone to frequent earthquakes is ________.
A. less likely to have debris flows B. more likely to have debris flows C. Earthquake frequency has little influence on the frequency of debris flows.
The windward sides of mountains are often wet
Indicate whether the statement is true or false