__________ is the concentration of natural drainage channels in a given area.
What will be an ideal response?
Drainage Density
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Capacitors in Combination: You have three capacitors with capacitances of 4.00 ?F, 7.00 ?F, and 9.00 ?F. What is the equivalent capacitance if they are connected (a) in series and (b) in parallel?
What will be an ideal response?
Free Fall: A 10-kg rock and 20-kg rock are dropped from the same height and experience no significant air resistance. If it takes the 20-kg rock a time T to reach the ground, what time will it take the 10-kg rock to reach the ground?
A. 4T B. 2T C. T D. T/2 E. T/4
A pocket of air moving north in the Northern Hemisphere will be deflected ________ by the rotation of Earth.
A. to the south B. upward to a higher altitude C. to the west D. to the east E. downward toward the surface
What is a typical age for a globular cluster?
A) 10 million years B) 200 million years C) one billion years D) 4.8 billion years E) 12 billion years