Final answer:
Long-term climate change is influenced by Earth's orbit around the Sun, movement of continents, and volcanic activity.
Explanation:
Causes of Long-term Climate Change:
- Earth's orbit around the Sun: Variations in Earth's position and orbit affect the amount of solar radiation received, impacting climate over long periods.
- Movement of continents: Changes in continents' positions result in alterations in ocean currents and atmospheric circulation, influencing climate over extended timeframes.
- Volcanic activity: Eruptions release gases and particles into the atmosphere, affecting temperature by blocking sunlight and contributing to the greenhouse effect.
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