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miércoles, 11 de diciembre de 2013

English : "Christmas"


 "This is a wonderful Christmas song"

Xmas song

Science: Plants Nutrition

Science

  • An animated description of the process of photosynthesis. Carbon dioxide seeps into leaves through pores called stomata. It reaches the chloroplasts where chlorophyll uses energy from sunlight to bind the carbon dioxide with water brought up from the roots to form carbohydrates. Oxygen is produced as a by-product.
  • Subject: science   Topic: Bio: Plants - Photosynthesis
  • Keywords: photosynthesis, stomata, chloroplasts, chlorophyll, carbohydrates, oxygen, carbon dioxide, biology, plants, bitesize

 PHOTOSYNTHESIS VIDEO

EJE CRONOLÓGICO SIGLO XIX

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