The answer of this is -0.8
Explanation:
• If new oceanic crust is being continuously created
along the earth’s spreading ridge system, then we
must find some way to re-cycle it back into the
mantle. [WHY? –otherwise the earth would be
expanding!!!!]
Answer:
volcanic outgassing - carbon dioxcide
comets and meteoroids - icy debris
major component of modern atmosphere - nitrogen
The Austrailian Dollar=AUD
