Why is The Earth Described as a ‘Geoid’?
Why is the earth described as a ‘Geoid’? Chose the correct answer from the following:
- Two-thirds of earth’s surface are covered with water.
- Favorable conditions are available on earth to support life.
- Earth is slightly flattened at the poles
- Earth is neither too hot nor too cold.
Answer: (1) Two- thirds of earth’s surface are covered with eater
The earth described as a ‘Geoid’ because two-thirds of the earth’s surface are covered with water. It is the equipotential surface.
The means of ‘Geoid’ is the sea level. Geoid is the model of the figure of the earth. It is everywhere perpendicular to the pull and about the shape of a regular oblate spheroid.