1.the water on the surface of the earth 2. a solution that will conduct an electric current 3. process used by plants to make simple sugars and starches 4. process used to produce fresh water from saline photosynthesis desalination hydropshere electrolyte will give !

1:hydropsphere                                                                                                 2:electrolyte                                                                                                          3:photosynthesis                                                                                                    4:desalination
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It’s the energy source of stars