4. After a shipwreck, Sam and Georgie wash up on the shore of a
deserted island. Upon their arrival, they both weigh the same
amount, but Sam is taller than average and very athletic, while
Georgie is shorter than average and considered a little overweight.
They quickly find a spring with plenty of fresh water, and sit down
to assess their situation. Explain the consequences of each of the
following three possible situations in which they may find
themselves (A,...