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Earth: Structure and Characteristics by Jeriel Mark is a document available to read on EtoBox.

What is Earth: Structure and Characteristics about?

The document summarizes key characteristics and structure of Earth. It notes that Earth is an oblate spheroid roughly 8,000 miles in diameter, with 71% of its surface covered by water. It rotates on its axis once every 23 hours while orbiting the sun once every 365 days. The atmosphere is composed primarily of nitrogen and oxygen, and contains a protective ozone layer.

Author

Jeriel Mark

Language

EN