Introduction to Earth

3 important questions on Introduction to Earth

Latitude ranges from ... to ... north and south, whereas longitude ranges from ... to ... east and west.

0 to 90 north and south, 0 to 180 east and west.

State the latitude (in degrees) for the following "special" parallels: equator, North Pole, South Pole, Tropic of Cancer, Tropic of Capricorn, Arctic Circle, and Antarctic Circle.

0°, 90°N, 90°S, 23.5°N, 23.5°S, 66.5°N, 66.5°S.

What is a great circle? A small circle? Provide examples of both.

A great circle is the largest circle that can be drawn on a sphere, dividing it into two hemispheres; the equator is a great circle. A small circle is any other circle that can be drawn on a sphere; a circle at 60°N is a small circle.

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