A feedback loop that results in a cooling effect on earth is, the earth's oceans absorb some of the carbon dioxides from the atmosphere.
The cooling effect may be defined as a process of evaporating liquid water from the surface of the earth to reduce the average temperature.
Solar radiations, the release of methane, and greenhouse gases are all responsible for increasing the average temperature. They all lead to the El Nino effect.
Therefore, a feedback loop that results in a cooling effect on earth is, the earth's oceans absorb some of the carbon dioxides from the atmosphere.
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