Cooling of the earth is possible with process B. Earth's oceans absorb some of the carbon dioxides from the atmosphere.
The ocean plays a very important role in cooling and maintains the temperature of the earth in two main ways, by photosynthesis of marine plants and the other is dissolving carbon dioxide in water.
The ocean absorbs the amount of CO2 from the air that is equal to about one-quarter of what we create by burning fuels and other ways create.
When air meets water it absorbs carbon dioxide present in air into water and dissolves it which leads to absorbing 90 percent of the excess heat of earth caused by increased greenhouse gases.
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