Explain which planets have seasons and why some planets have none at all.

Earth is the planet that has seasons but the rest do not

Explanation:

Earth's axis is tilted 23.5 degrees, but Venus is only tilted 3 degrees. This lack of tilt means the planet's surfaces receive a uniform amount of the Sun's energy. Though Venus has seasons, there is little change from one to the next. Venus also has a much shorter orbit than Earth, making its seasons very brief.

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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