Advertisements
Advertisements
प्रश्न
Why does water need conservation even though large oceans surround the landmasses?
उत्तर
Marine water is not directly beneficial to human or plant life. To meet the demands, the uneven distribution of limited freshwater resources necessitates conservation.
APPEARS IN
संबंधित प्रश्न
_________ is used for desalination of brackish water.
List the three major constituents of sewage.
Fill in the Blanks:
Sewage is the source of ______ pollution
Dissolved oxygen in water is responsible for aquatic life. What processes are responsible for the reduction in dissolved oxygen in water?
Classify the most significant sources of water pollutants.
A pond contains clean water. Which of the following activities will produce least pollution of water?
Explain about oil spills.
A person was using water supplied by Municipality. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause?
BOD is measure of ______.
Liquid kitchen waste alone constitutes the sewage.