Question

1. What do you mean by oblate spheroid?
2. What are the four realms of the earth?
pls answer these questions .​

Answer 1

1==An oblate spheroid is a surface of revolution obtained by rotating an ellipse about its minor axis (Hilbert and Cohn-Vossen 1999, p. 10). To first approximation, the shape assumed by a rotating fluid (including the Earth, which is "fluid" over astronomical time scales) is an oblate spheroid.

2=The four realms of the Earth are :

(i) Lithosphere : Lithosphere is the outer-most layer or the crust of the earth. ...

(ii) Hydrosphere. Hydrosphere includes all the water found on the surface of the earth. ...

(iii) Atmosphere. ...

(iv) Biosphere.

Explanation:

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Answer 2

Answer:

1. It is the shape of the earth. It says that earth is bent at both poles.

2. Atmosphere, Biosphere, Hydrosphere, Lithosphere.

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Explanation: