The angle of Earth’s axis with the orbital plane or horizontal is _____________.

46.5 degrees

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56.5 degrees

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66.5 degrees

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76.5 degrees

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Solution

The correct option is C 66.5 degrees
The angle of the Earth’s axis with the vertical is 23.5 degrees. Its angle with the orbital plane or horizontal is 66.5 degrees. Earth is tilted at 66.5 degrees with respect to the orbital plane.

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