Quote:
Originally Posted by _Richard_
isn't water the most valuable?
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Quote:
Originally Posted by Rob
Oxygen.
</thread>
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Quote:
Originally Posted by romeo22
sun i guess
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all of these are valuable, but then do plants not come into the equation, considering they create the oxygen.
There are too many equals to the valuable materials on earth.
The question of the thread is valuable resource, and plants aren't a resource, so maybe the sun, without the sun, we would have no life, no oxygen, no water, no nothing.
I'd say romeo's on the ball
