The difference in elevation between the highest and lowest contour lines on a topographical map is called:
a.
contour interval
c.
relief interval
b.
relief
d.
contour index

a small container that holds a source of energy a solar cell that captures light energy and converts it into electricity a voltaic cell that uses the oxidation of a fuel to produce electricity

explanation:

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

the answer is minerals.

the ratio of the conjugate base to the acid required to attain the desired ph.