Dinosaurs have ruled the planet for nearly 140 million years. They have spread on all the continents and tuned themselves to life in various conditions. The climate at those times was hot and dry and that is why vast parts of dry land resembled a desert. Only on the wet lowlands in the river valleys and along the oceanfront there was abundance of different kinds of vegetation. In these very places numerous dinosaurs used to get together.
￭ Pentium II
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