We have known of the existence of dinosaurs for only about two centuries…
We have known of the existence of dinosaurs for only about two centuries, but they have ruled Earth for 160 million years.
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Autor: Dimitar Pamukov
Medicinal Plants in folk and in scientific Medicine.
Author: Georgi Georgiev
The national and natural parks, the protected areas, the threatened animals and birds, plants.
Origin and development of the different categories of protected territories