E. O. Wilson , American scientist
said about Circumstance, Interest, Plants, Rain, Years...
"The historical circumstance of interest is that the tropical rain forests have persisted over broad parts of the continents since their origins as stronghold of the flowering plants 150 million years ago."
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"The historical circumstance of interest is that the tropical rain forests have persisted over broad parts of the continents since their origins as stronghold of the flowering plants 150 million years ago."- E. O. Wilson