contoh kalimat azolla event

• The Azolla event is a scenario hypothesized to have occurred in the middle Eocene epoch, around 49 million years ago, when blooms of the freshwater fern Azolla are thought to have happened in the Arctic Ocean.
  Peristiwa Azolla terjadi para pertengahan masa Eosen sekitar 49 juta tahun yang lalu, ketika ledakan populasi pakis Azolla diduga telah terjadi di Samudra Arktik.