Organic molecules preserved in fossils provide a wealth of new information about ancient life. The discovery of almost unaltered complex organic molecules in well-preserved fossils raise the question of how common such occurrences are in the fossil record. how to differentiate between endogenous and exogenous sources for the organic matter and what promotes such preservation. The aim ... https://bfwzozravpc3bz.theisblog.com/35125625/polish-perceptions-on-the-immigration-influx-a-critical-analysis