What is the tallest mountain in the world if measured from base to top?
Correct answer: Mount Mauna Kea

Republic of China
PineappleSue,
Measured from base to top is acceptable term but whatever

PineappleSue
you should of asked from the sea floor to summit..Trick question.. Lok

RushMama2112
Player #4245771, Hawaii, the Big Island.

Player #4245771
where is it

Elfcounsel
Of course I've heard of it.