The boundary that separates the crust from the mantle is the ________.
A. Mohorovicic discontinuity
B. shadow zone
C. lithospheric discontinuity
D. mantle discontinuity
E. athenospheric discontinuity
Answer: A
You might also like to view...
To be classified as a mineral, a substance must be ____
a. foliated b. organic c. regolith d. accreted e. crystalline
Which of the following is the most likely health effect of breathing polluted air for long periods?
A. chronic bronchitis B. cirrhosis of the liver C. beriberi of the heart D. chronic fatigue syndrome
When you buy a new computer, which of these is a hidden cost?
A. cost from the loss of natural services degraded by its manufacture B. cost of mining the metals used to make it C. cost to manufacture it in a factory in Indonesia D. cost of wages for under-paid shop associates at computer store
The most abundant gas released by volcanic eruptions is:
a. hydrogen sulfide b. carbon dioxide c. water vapor d. nitrogen