OUR ATMOSPHERE Earth’s atmosphere has 5 layers separated by invisible walls. Read More OCEANS Human blood is a testament to life’s origin in the ocean: its chemical composition is nearly identical to that of sea-water. Read More ENVIRONMENT Our environment is a mirror of our own habits Read More COMOSITION OF EARTH Oxygen is more abundant in earth than in air! Read More MOTIONS of EARTH Our Earth is rotating, gyrating, revolving and is being drifted along with the sun; yet we feel not a stir. Read More
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