Answer:
Factors such as Volcanic eruptions, Ocean currents and the Earth's orbital changes can naturally contribute to global warming.
Explanation:
Volcanic Eruptions:
When a volcano erupts, it releases CO2 into the atmosphere.
Ocean currents:
Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off.
Earth's orbital changes:
Shifts in the Earth’s orbit can cause changes in climate (e.g. the beginning and end of ice ages). Orbital changes are so gradual they’re only noticeable over thousands of years.
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