The two systems that work together to deliver oxygen are D, respiratory and cardiovascular
Answer:
If freshwater consumption was greater than freshwater renewal.
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Similar to another Brainly answer :O
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Solar radiation may be converted directly into electricity by solar cells (photovoltaic cells). In such cells, a small electric voltage is generated when light strikes the junction between a metal and a semiconductor (such as silicon) or the junction between two different semiconductors.
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Answer:
They are written or edited by anyone
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