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Mind Map: Water - A Precious Resource | Class 7 Oxford Science: Chapter Notes, Worksheets & Tests PDF Download

Mind Map: Water - A Precious Resource | Class 7 Oxford Science: Chapter Notes, Worksheets & Tests

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FAQs on Mind Map: Water - A Precious Resource - Class 7 Oxford Science: Chapter Notes, Worksheets & Tests

1. What are the main sources of water?
Ans. The main sources of water are rivers, lakes, groundwater, and reservoirs. These sources provide us with freshwater for various purposes such as drinking, irrigation, and industrial use.
2. How can we conserve water at home?
Ans. There are several ways to conserve water at home. Some of the effective methods include fixing leaky faucets and pipes, using water-efficient appliances, taking shorter showers, collecting rainwater for gardening, and recycling greywater for non-potable purposes.
3. What are the consequences of water scarcity?
Ans. Water scarcity can lead to several consequences such as inadequate access to clean drinking water, compromised sanitation and hygiene, reduced agricultural productivity, increased conflicts over water resources, and negative impacts on ecosystems and biodiversity.
4. How does climate change affect water availability?
Ans. Climate change can significantly impact water availability. It can lead to changes in precipitation patterns, resulting in droughts or floods. Rising temperatures can increase evaporation rates, thereby reducing water supplies. Glacier melting due to global warming also affects freshwater sources.
5. How can industries contribute to water conservation?
Ans. Industries can contribute to water conservation by implementing efficient water management practices. This includes reducing water usage through recycling and reuse, implementing technologies for wastewater treatment, optimizing production processes to minimize water consumption, and promoting awareness among employees about water conservation measures.
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