Advertisements
Advertisements
प्रश्न
Total earth’s surface covered by water is
पर्याय
75%
60%
85%
50%
Advertisements
उत्तर
75%
Explanation:
Water covers approximately 75% of the earth’s surface. 97.5% of the water on the planet earth is found in seas and oceans as saline water. The remaining 2.5% of water is present in the form of freshwater. The majority of it (2%) is frozen in the ice caps at the poles. The remaining 0.6% of total water is available to support terrestrial life.
APPEARS IN
संबंधित प्रश्न
How are clouds formed?
Water exists in all three states. Discuss.
Explain why rivers and lakes do not freeze easily.
Why is it said that water is life?
Define ‘eutrophication’.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Which are the three states of water?
_____ is a type of rainwater harvesting.
Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.
Fill in the blanks in the following statements using words given in the box.
| air, handpumps, cholera, water, large, ground |
A very ______ number of our people defecate in the open. It may cause ______ pollution and soil pollution. Both the surface water and ______ water get polluted. ______ water is the source for wells, tubewells and ______. Thus it becomes the most common route for ______ borne diseases like ______, dysentery, etc.
