https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/e/natural-resources 2026-04-08T00:54:09.631945657Z Natural resources Let's solve some questions! vibhor exercise https://www.khanacademy.org/science/karnataka-bridge-course-class-7th-science/x23f4b0ee108f5758:water/x23f4b0ee108f5758:properties-of-water/e/need-utility-and-sources-of-water 2025-08-05T08:33:57.588913915Z Need, utility and sources of water LO1: Need and utility of water. LO2: sources of water Revathi exercise https://www.khanacademy.org/science/telangana-class-6-science/x274096cca8bb3cfc:water-in-our-life/x274096cca8bb3cfc:water-sources/e/groundwater-as-an-important-source-of-water 2025-07-23T11:13:11.635610059Z Groundwater as an important source of water Class 7 Science Exercise on Groundwater | NCERT Chapter 16 | Water Table, Depletion, Recharge, Tube Wells, Real-Life Applications | Conceptual Practice Questions Yajurva Joshi exercise