'A global problem' diaporamas de présentation

The Anthropogenic Greenhouse Effect

The Anthropogenic Greenhouse Effect. Lesson 3 . History in a Tree Trunk. Recording growth is one way to document change. The growth of a tree is documented in the widths of its rings. . One tree ring is formed every year, during the summer when the tree grows.

1.03k views • 32 slides

What international day is it on the 22 Sept 2013?

What international day is it on the 22 Sept 2013?. World Rhino Day. Which animal is displayed on the South African R10 note?. Rhinos in SA. Bryan Cuff Westcott Primary. Why the big concern? A Global Problem. In the past 30 years, the world rhino population has dropped by 90%.

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Water, Water Everywhere!

Water, Water Everywhere! . Mrs. Tuma SBI 4UI. Water, Water, Everywhere?. http://www.waterfootprint.org/?page=files/ home. Just how much water is there?. 1.4 billion km 3 worldwide. Just how much water is there?. 1.4 billion km 3 worldwide 97.5 % salt water.

205 views • 11 slides