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제 목 |
The Earth's Birth |
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작성자 |
정승혁 |
작성일 |
11-07-09 |
조회 |
7199 |
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The universe was borned 15billion years ago. It ws formed by big bang.Earth was formed 4.6billion years ago. First Earth was covered by magma,but the cloud formed and it began to rain.So the mama change to rock.one billion years later Sea was formed.Soon living things appeared. First Cyanobacteria appeared than reptile and plant appeared,then dinosaur appeared at last human and mammoth appeared.Thank you. |
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