LIBROS DEL AUTOR: janelle pounds

3 resultados para LIBROS DEL AUTOR: janelle pounds

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  • History of the African Continent
    Janelle Pounds
    Africa is the world's second largest and second most-populous continent (behind Asia in both categories). At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area and 20% of its land area. With 1.2 billion people as of 2016, it accounts for about 16% of the world's human population. The continent is...
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    32,53 €

  • Geological History of Earth
    Janelle Pounds
    The geological history of Earth follows the major events in Earth's past based on the geologic time scale, a system of chronological measurement based on the study of the planet's rock layers (stratigraphy). Earth formed about 4.54 billion years ago by accretion from the solar nebula, a disk-shaped mass of dust and gas left over from the formation of the Sun, which also...
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    21,43 €

  • The Evolutionary History of Life
    Janelle Pounds
    The evolutionary history of life on Earth traces the processes by which both living organisms and fossil organisms evolved since life emerged on the planet, until the present. Earth formed about 4.5 billion years (Ga) ago and evidence suggests life emerged prior to 3.7 Ga. Although there is some evidence to suggest that life appeared as early as 4.1 to 4.28 Ga this evidence rem...
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    31,46 €