Why is gabbro considered a coarse-grained mafic rock?
A) It contains a lot of silica.
B) It is extremely rare.
C) It contains a lot of feldspar.
D) It contains a lot of magnesium and iron.
Answer: D
Environmental & Atmospheric Sciences
You might also like to view...
Strip farming is a type of soil conservation or quality management practice.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
When water is pumped out of an unconfined aquifer through a well, a ________ often develops in the water table.
A. deflation structure B. thin film of pollution C. ground-water mound D. piercement structure E. cone of depression
Environmental & Atmospheric Sciences
What term describes open fissures in the brittle surface ice of a glacier?
What will be an ideal response?
Environmental & Atmospheric Sciences
The greatest worldwide use of water is
A) in irrigation. B) by industry. C) by human consumption. D) in washing and flushing toilets.
Environmental & Atmospheric Sciences