Question

DEFINE EQUATER , TROPIC OF CANCER, TROPIC OF CAPRICON

Answer 1

Equater is a 0 degree latitude that exactly divides into two halves. the Tropic of Cancer is 23 1/2 degrees North. while the Tropic of Capricon is 23 1/2 degrees South. These two lattitudes do not divide the Earth into two equal halves.
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Answer 2

Equator is defined as the imaginary line drawn on the earth between noth pole and south pole.
Tropic of cancer is the parallel latitude about 23 1/2 degree north of the equator
Tropic of capricorn is the parallel latitude about 23 1/2 degree south of the equator