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Earth's systems
| Question | Answer |
|---|---|
| A set of layers of gases surrounding Earth | Atmosphere |
| The solid portion of Earth, including the crust and the upper mantle. | Geosphere |
| The part of Earth's crust, water, and atmosphere that supports life. | Biosphere |
| All the bodies of water on Earth's surface, such as lakes and seas, sometimes including water over Earth's surface, such as clouds. | Hydrosphere |
| About how much of Earth's water in salt water? | About 97% |
| So then about how much fresh water is there? | About 3% |
| About how much water on Earth is Poadable? | Less than 1% |
| vehicles, such as cars and trucks, emitt pollutants into the atmosphere. What example of human activity does this show? | Everyday life |
| Air pollution, such as soot, and dust, is emitted from factories. What example of human activity does this show? | Industry |
| pesticides / fertilizers contaminate grownd water. What example of human activity does this show? | Agriculture |
| An invasive species is a species that is non- native and brought to a new area. It may disturb the balence of the place it is brought to . TRUE or FALSE? | True |