Sheila Dewitt

Earth is the third planet from the Sun, and the only one known to support life. It has a diverse climate, ecosystems, and landscapes, from lush forests and vast oceans to arid deserts and icy polar regions. Earth's atmosphere is composed mainly of nitrogen and oxygen, which help sustain life. The planet's surface is constantly shaped by natural processes like erosion, volcanic activity, and plate tectonics. Humans have made significant impacts on Earth’s environment, including climate change and deforestation. Despite these challenges, Earth remains a unique and vibrant home for millions of species, including us.

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