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Earth's Systems Test
| Question | Answer |
|---|---|
| Saltwater makes up... | about 97% |
| Freshwater makes up... | about 3% |
| Putting fertilizer and chemicals in the ground is an example of | agriculture |
| Air pollution from factory machinery is an example of | industry |
| Air pollution from cars is an example of | everyday life |
| About how much water is potable (safe to drink)? | less than 1% |
| The land that we walk on is called... | the geosphere |
| The water you see in oceans, rivers, and lakes is called... | the hydrosphere |
| The things that make up forests and nature is called... | the biosphere |
| The gasses surrounding earth is called... | the atmosphere |
| Living species that are non-native to the place it's living in and have a negative impact are called... | invasive species |
| True or False It is important to conserve natural resources | True |
| Why is one side of the mountains dry and the other side healthy? | The rain shadow effect |
| What would happen if we didn't clean trash out of the ocean? | sea life would go extinct |