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Answer:
- summer - solstice - toward the sun
- fall - equinox - neither
- winter - solstice - away from the sun
- spring - equinox - neither
Explanation:
Summer and Winter start on the solstices. The axis leans toward the sun and away from the sun on those dates, respectively.
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Fall and Spring start on the equinoxes. The tilt of the axis is neither toward nor away from the sun on those dates. It is perpendicular to the earth-sun line.