The Middle East. Overview ■ Physical geography Aridity; very dry with little moisture in the air Oil; the world ’ s most valuable resource. ■ Cultural.
Flow of Energy and Matter
Brief History of the International Aquarium Industry, its Future and Africa’s opportunity through the Giant Africa Aquariums GA2 Program.
Flow of Energy and Matter. Ecosystem Recycling Energy and matter flow through an ecosystem Plants get energy from the sun We get energy from what we eat.
