_______ is the physical process responsible for the movement of soil.
2 answers:
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Answer:
a. perpendicular
Explanation:
A graph shows the lines have opposite reciprocal slopes (rise/run), so the lines are perpendicular.
__
Using the slope formula, the slope of the first line is ...
m = (y2 -y1)/(x2 -x1)
m = (11 -6)/(-7 -(-3)) = 5/-4 = -5/4
The slope of the second line is ...
m = (4 -8)/(-4 -1) = -4/-5 = 4/5 . . . . . opposite reciprocal to the first slope
