Igneous rocks are classified by composition and texture
a. True
b. False
True
You might also like to view...
What are the two primary ways the author reviews as broad categories to address energy challenges? Give examples.
What will be an ideal response?
At what type of plate boundary would you expect to find a volcanic island arc?
A. oceanic-oceanic divergence B. continental-continental convergence C. continental-continental divergence D. oceanic-oceanic convergence E. continental-oceanic divergence
Which type of unconformity would generally indicate the greatest amount of erosion prior to deposition of the overlying rocks?
A) nonconformity B) buttress unconformity C) angular unconformity D) disconformity
Which of the following causes unstable air to keep lifting?
A) ascent into a layer of stable air B) entrainment C) inversions D) ascent into a layer of unstable air