See if you can explain why it takes six times as much water to produce 1kg of beef as 1 kg of rice
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I attached a picture of the layers of the earth. They are the:
Crust (<em>which isn't really the interior</em>)
Mantle
Outer Core
Inner Core
Crust (<em>which isn't really the interior</em>)
Mantle
Outer Core
Inner Core