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.
Question 2
Drylines are capable of producing thunderstorms because:
A) there is an abrupt change in temperature across the dryline.
B) the dry air mass forces the moist air mass to rise.
C) the moist air mass lifts the dry air mass.
D) the dry air mass is unstable and rising.
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