Xác định được tuổi của sông Amazon
on sông Amazon thuộc hàng dài nhất thế giới nằm ở khu vực Nam Mỹ được xác định đã 11 triệu năm tuổi. Nó có hình dạng như hiện nay từ 2,4 triệu năm trước. Một phần của sông Amazon. Ảnh: Vivirlatino.Đây là kết quả nghiên cứu của những nhà khoa học tại Đại học Liverpool Anh, Đại học Amsterdam Hà Lan và công ty dầu mỏ quốc gia Brazil Petrobras. Họ đưa ra kết luận này nhờ nghiên cứu những mẫu trầm tích lấy từ hai lỗ khoan ở cửa sông Amazon.
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4bqtJeG7reG7peG7neG6qeG7pMOyQ+G6qeG7ueG6qU1nbuG6qcOZ4bq84bqpQuG7geG6qeG7pOG7n8O6w7Lhuqnhu7nhuqlu4buj4buLxILhuqkj4buj4buf4bqpw7PDguG7t27huqlu4buj4bun4bqpw7rhu4HhuqnDs+G7heG6qeG7o+G7geG7peG7neG6qcOD4bqgZsO54bqpw4PhuqDhu5/hu5XEguG6qeG7pWbDueG6qcODxIJ44buf4bqt4bqj4bqpTsOq4bqg4buf4bulw6rhuqnhu6Lhu6fhu6fhuqDhu6XhuqPhuqnDg+G7o8SCd27huqnDk+G7h+G7n+G6qeG7o+G7qW7huqnDisO54bqiw4PDsuG6oG/DqsO54bqj4bqpbuG7o+G7p+G6qeG7o8OqxJDDo+G6qSrhu6PDsuG7p+G6qX3hu6XDskTDgeG6oMOy4bqi4bqi