The second, third, and fifth options are true.
The reason glaciers are melting are because of man-made factors. Green house gas, emissions and aerosols are good examples of what man made factors are melting earths glaciers.
Humans will survive by looking for alternative water sources as the Sun becoming a red giant means rapid evaporation of the earth's ocean.
<h3>What is Evaporation?</h3>
This is referred as the type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
Water is important for our daily living and activities which is why alternative sources must be designed to tackle the rapid evaporation pattern.
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The body of water it would be found is north sea.