Before the Ice age, about 50 million years ago, temperatures were much higher than they are today, the whole globe enjoyed a tropical climate. At that time forests of large deciduous (e. g. the needle-leaved dawn redwood or the broad-leaved ginkgo) grow near the North Pole. Why did they shed their leaves in the winter
Answers: 2
Before the Ice age, about 50 million years ago, temperatures were much higher than they are today, t...
Mathematics, 22.09.2019 07:00
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