What is one cause of long-lasting climate change? volcanic activity earth’s elliptical orbit earth’s rotation the sun’s elliptical orbit

The Earth's Elliptical orbit-

The Earth’s orbit around the Sun is an ellipse, not a circle but the ellipse changes shape.

Sometimes it is almost circular and the Earth stays approximately the same distance from the Sun as it progresses around its orbit.

At other times the ellipse is more pronounced so that the Earth moves closer and further away from the sun as it orbits.

When the Earth is closer to the sun our climate is warmer.

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The answer is:

B. Earth's elliptical orbit

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