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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

The most abundant gas released by volcanic eruptions is:

a. hydrogen sulfide b. carbon dioxide c. water vapor d. nitrogen

Environmental & Atmospheric Sciences