Taking isolated similarities by themselves, the theory of evolution appears to be quite reasonable... However, it seems that too much weight has been placed on similarities without questioning the differences.To the embarrassment of many a very intelligent man and woman of science, overly confident conclusions and arrogant statements have been made based on such similarities that have, on occasion, turned out to be not only wrong, but painfully wrong.
It occurs in most rocks in concentrations of 2 to 4 parts per million and is as common in the Earth's crust as tin, tungsten and molybdenum and about 40 times as common as silver.
Being relatively soluble (in contrast to thorium), it is also found in the oceans, at an average concentration of 3 parts per billion.
Prof Daniel Pauly, at the University of British Columbia in Canada and who led the work, said the decline is very strong and "is due to countries having fished too much and having exhausted one fishery after another." Prof Boris Worm, at Dalhousie University in Canada and not involved in the new research said.
"This was a Herculean task that no one else has ever attempted.
Atomic Weight vs Mass Number Atoms are characterized by their atomic numbers and mass numbers.