Calculate how much water would be released if all the ice on the planet melted (an unlikely scenario for any time soon). for this calculation the equation is: the volume of water gained = the volume of ice x 0.9 (converting ice to water).

28,800,000 cubic meters of water

Explanation:

It is calculated that currently there exists 32 million cubic meters of ice on Earth. Most of it is stored in the Antarctic Ice Sheet, a significant portion lies in the Greenlandic Ice Sheet, and a much smaller part in assorted glaciers and ice caps. If all this ice melted, this would release 28,800,000 cubic meters of liquid water into the oceans (32,000,000 x 0.9 = 28,800,000). A study by the Intergovernmental Panel on Climate Change (IPCC) suggest that if this happened, the sea level would rise by a little over 66 meters, pretty much flooding every coastal city on Earth.

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the answer is a. monarch