indicate valleys, hills, steepness and gentleness of slopes.
explanation:
contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.
Answer from: Quest
It's a
Answer from: Quest
Ch4 is nonpolar and insoluble in water. since all of the hydrogen atoms are evenly spread around the carbon atom even through the c h bond is polar all the poles cancel each other out.
Answer from: Quest
the answer is c. nacl
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