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Earth systems test
| Question | Answer |
|---|---|
| How much water on earth is salt water | 97% |
| How much water on earth is fresh water | 3% |
| Air pollution from factories and manufactring goods are a example of what type of human activity | Industry |
| Pesticides and fertilizers contaminate ground water what type of human activity is that | agriculture |
| Vehicles used for transportation emmiting polluts into earth atomsphere is what type of human activty | Everyday life |
| Soild portions of rock on earth including the crust and upper mantlle of earth is what sphere | Geosphere |
| A set of layers of gas surrounding earth is what sphere | Atmosphere |
| All the waters on earth surface is what sphere | Hydrosphere |
| All types of life is what sphere | Biosphere |
| Ocean waves proud land along the coastline are what sphere interacting | Hydrosphere and geosphere |