[Gahanna Bob]

Riddle me this: If they just discovered the cavity, how do they know it is growing at a rapid pace. Maybe the cavity has been there a million years.

[Scrambler Bob]

If they just discovered the cavity, how do they know it is growing at a rapid pace.
= = =

Well it was zero size (in their minds) before they discovered it.

So zero to any size is super-duper exponential growth rate.

[TheZMan]

Now, now. Don’t go applying logic to this.

[chuckb87]

BINGO. They are really, really dumb.

[willyd]

Also... no one Eder seems to think about what will happen next if the poles actually melt... namely that a large forest will grow down there... sucking up all that water... also... the melt from the North Pole will offset the increase from the South Pole...