Over 10 million . . . . . . . . .
I know they did help create/created the compass
Longitude and Latitude are unable to show the depth of oceans.
This is somewhat of a subjective question, but most would agree that no, Andrew Carnegie and John <span>Rockefeller were not too greedy to be philanthropists, since this was categorized more as "financial ambition" back then. </span>
A. Single-celled organisms can reproduce very prolifically through processes such as binary fission. Whereas they only have to produce one cell, multi-celled organisms have to produce another multi-celled organism, which obviously takes a lot longer.