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Earths systems
| Question | Answer |
|---|---|
| how much fresh water is found in glaciers,ice gaps,ground water,lakes,rivers. | 3% |
| how much salt water is on earth? | 97% salt water |
| how much fresh water is fresh water? | 1% of fresh water is potable |
| what is a hydrosphere? | all the waters on earths surface |
| What is a biosphere? | the part of earths crust |
| What is a geosphere? | the solid portion of earth |
| What is a atmosphere? | a set of layers of gases |