The Mohorovicic discontinuity is the boundary between
a. the lithosphere and the asthenosphere.
b. the crust and the mantle.
c. the outer core and the inner core.
d. the mantle and the outer core.
b
You might also like to view...
Which event marks the beginning of a supernova?
A) the sudden collapse of an iron core into a compact ball of neutrons B) the onset of helium fusion after a helium flash C) the beginning of neon fusion in an extremely massive star D) the sudden initiation of the CNO cycle
As a swimmer dives deeper and deeper, strictly speaking, the volume of water displaced by the swimmer actually
A) decreases. B) increases. C) remains unchanged but pressure on her increases D) none of the above
The distance to the Andromeda Galaxy is estimated at about 2 × 10^6 light years. A light year is the distance traveled by light in one year; if the speed of light is 3 × 10^8 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 × 10^7 s)
a. 10 × 10^15 m c. 2 × 10^22 m b. 1 × 10^18 m d. 6 × 10^12 m
The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4, there are permitted how many possible substates?
a. 22 c. 8 b. 18 d. 32