Features of the deep ocean basins include abyssal plains, ocean trenches, mid-ocean ridges, and seamounts—all of which are composed of
A) plutonic rock.
B) granite.
C) basalt.
Answer: C
You might also like to view...
Sequence the events in the origination of different types of meteorites
What will be an ideal response?
A plane flies directly between two cities, A and B, which are separated by 2300 mi. From A to B, the plane flies into a 65 mi/h headwind. On the return trip from B to A, the wind velocity is unchanged
The trip from B to A takes less than the trip from A to B. What is the airspeed of the plane, assuming it is the same in both directions? A) 530 mi/h B) 400 mi/h C) 480 mi/h D) 610 mi/h
In a steam engine, steam at 140°C in a turbine does work on an external system, and the steam leaves the turbine at 100°C. The efficiency of the steam engine is 5%. The relevant physical principle is
a. the first law of thermodynamics b. the second law of thermodynamics c. specific heat capacity d. operation of a heat pump e. 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