The scientists then calibrated these molecular clocks to an evolutionary event well established by fossil studies--the diverof the Earth's water is located in oceans and seas.
(The scientists; calibrated; these molecular clocks; T:then) (an evolutionary event; well established; by fossil studies) (the Earth's water; is located; L:in oceans and seas; L:the diverof)
The scientists an evolutionary event the Earth's water
calibrated well established is located
these molecular clocks T:then
by fossil studies
L:in oceans and seas L:the diverof