Discussion
How many latitudes are there on the globe drawn at 1 degree interval?
Answer: C
The answer is 179.
Latitudes are drawn from the equator (0°) to the poles (90° N and 90° S). At 1° intervals there are 89 parallels in each hemisphere, from 1° to 89°, plus the equator:
\[ 89 + 89 + 1 = 179 \]
The poles are points, not circles, so they are not counted as parallels. This is the count given in NCERT's geography textbook. 180 and 178 come from miscounting the equator or the poles.
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