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6.6 f - Water Unit
Lesson 4 - Human Use and Impact
| Question | Answer |
|---|---|
| Humans affect the _____ of Earth’s water. | quality, availability, and distribution |
| Most of Earth’s water (97 percent) is salt water in _____. | oceans |
| Available fresh water, used by humans and other organisms, makes up _____ of the water on Earth | less than one percent |
| Water has a role in the natural and human-made environment. True or false | True |
| Water is essential for _____. | agriculture and power generation |
| Accessibility of clean, fresh water is _____ important in maintaining public health. | extremely |
| Water management is the use and planning for _____ use of water. | future |
| Most of Earth’s water is _____ water. | salt |
| _____ is the science of farming and uses about a third of the fresh water available. | agriculture |
| We have collection points such as reservoirs of large amounts of water. How do water treatment plants make this water clean tap water available for use to people? | Water treatment plants can filter and disinfect large amounts of water. |
| ____________ (watering crops) is one way in which water is used for agriculture. | Irrigation |
| _______________ livestock is one way farmers use fresh water. | Hydrating |
| Water is used for producing electricity by.... | being heated to produce steam which turns the turbines in a power plant. |
Created by:
Johnsopd
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