____ are used on topographical maps to connect points of elevation; these lines tell whether the land in question is flat or hilly, gently sloped, concave, or convex.
A. Elevation lines
B. Interval lines
C. Contour lines
D. Ridge lines
Answer: C
You might also like to view...
A metallurgist is designing an experiment to determine the effect of flux, base metal, and energy input on the hardness of a weld. She wants to study four different fluxes, two different base metals, and three different amounts of energy input. If each run of the experiment involves a choice of one flux, one base metal, and one amount of energy input, how many different runs are possible?
What will be an ideal response?
Thomas Jefferson sent two envoys to France in 1803 with the essential goal of
A. preventing Napoleon from handing Louisiana back to Spain. B. purchasing as much territory west of the Mississippi as they could get. C. preventing Napoleon from fortifying New Orleans and St. Louis. D. bribing the French foreign ministry into permitting Americans to deposit grain in New Orleans. E. purchasing New Orleans to make it secure for American shippers.
A low-head hydro system turns 920 W of water potential energy into 377.2 W of electricity. What is the efficiency of the system??
Fill in the blank(s) with the appropriate word(s).
Capacitive reactive power is _________
A. neutral B. complex C. negative D. positive