Which of the following is true regarding Earth's axis?

A) The axis remains parallel to the plane of the ecliptic.
B) The amount of axial tilt fluctuates during the year and forms the basis for seasonal changes.
C) All locations on earth receive sunlight at a 90° angle at least once a year due to the tilt.
D) The axis is tilted 23.5° from a perpendicular to the plane of the ecliptic.
E) Axial tilt is unrelated to the phenomenon of seasonal change.


D

Environmental & Atmospheric Sciences

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The type of structure shown in this figure is a



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