What percentage of Earth’s surface is covered with water?
1/4 th
2/3 rd
1/3 rd
3/4 th
Animals need:
Water
Snow
Chemicals
Water vapour
The temperature at which ice melts is called the :
Melting point
Freezing point
Boiling point
Drying point
What is RWH?
Rain Water Harvesting
Rain Water Houses
Regional Water Harvesting
Rain Water Harbour
Which statement is true?
Water is not scarce.
Water is scarce.
We should waste water.
Water should be stored in dirty containers.
Natural resources have to be used carefully because:
indiscriminate use of natural resources has resulted in an imbalance in the environment
natural resources are found in abundance in nature
natural resources are renewable
natural resources can be reproduced
Exhaustible resources are present in:
Limited quantity
Unlimited quantity
Abundance
Little
What is essential for the growth of a plant?
Nitrogen
Water required for household use is called :
Water cycle
Surface water
Domestic water
Public water
Scarcity of water takes place due to :
Population explosion
Water harvesting
Flood
