Advertisements
Advertisements
Question
State the importance of water cycle in nature.
Advertisements
Solution
(1) Water cycle helps in regulating weather on the earth.
(2) Water cycle makes water available in various forms on the earth.
APPEARS IN
RELATED QUESTIONS
Why is water very precious for all living being ?
Give one word for the following statement :
The change of states of water from one form to another .
A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?
Give the importance of dissolved minerals & salts.
Define ‘eutrophication’.
Give a reason for the following:
A crusty ‘boiler scale’ is formed in boilers, when hard water is used.
Match the terms in List I with the correct answers in List II.
| List I | List II |
| 1. Solubility in a given solvent decreases with an increase in temperature. | A: Na2SO4.10H2O |
| 2. A white efflorescent crystal | B: NaOH |
| 3. A hygroscopic dehydrating agent | C: Ca(HCO3)2 |
| 4. A deliquescent alkali | D: conc. H2SO4 |
| 5. A substance present in temporary hard water | E: CaSO4 |
Match the following
| 1. | Flood | Lake |
| 2. | Surface water | Evaporation |
| 3. | Sunlight | Water vapour |
| 4. | Cloud | Pole |
| 5. | Frozen water | Increased rainfall |
Water polluted by various human activities causes a number of water borne diseases. Which of the following is not a water borne disease?
In which one of the following state's water is present on Earth?
