Ocean floor topography can be estimated from space using ________
A) radar pulses that bounce off the ocean surface
B) high resolution measurements of the earth's magnetic field
C) laser beams that penetrate to the sea floor
D) powerful sound waves that echo to the satellite
A
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During which of the following stages is an ordinary thunderstorm most intense?
A. dissipating stage B. multicell stage C. mature stage D. cumulus stage
Which of the materials below is an example of biomass fuel?
A) Wood B) Uranium C) Oil D) Hot water
All of the following is true regarding the flow of air aloft in the mid-latitudes EXCEPT
A. circulation is restricted to the troposphere. B. west to east flow. C. wind speed aloft is greater than wind speed at surface. D. east to west flow.
Seeds germinate mainly in the ________ horizon
A) A B) B C) C D) E E) R