Water resources include rivers, lakes, groundwater, and rainfall—vital for agriculture, drinking, sanitation, industry, and ecosystem balance. Sustainable management ensures long-term availability and quality.
WATER RESOURCES
CHAPTER -03
Chemical reactions form new substances, shown by balanced eq...
This study material comprises of all core chapters and its c...
This study material is exam ready study material
This study material comprises of all chapter of NCERT class...
Mathematics NCERT chapter -1
OTP