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Get Hindi Medium and English Medium NCERT Solution for Class 7 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-7/Science/chapter-12/
(d) all the above
(b) dissolved oxygen
(b) lichens
(a) sunlight
Class 7 Science Chapter 12 Solutions?
Get Hindi Medium and English Medium NCERT Solution for Class 7 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-7/Science/chapter-12/
Get Hindi Medium and English Medium NCERT Solution for Class 7 Science to download.
See lessPlease follow the link to visit website for first and second term exams solutions.
https://www.tiwariacademy.com/ncert-solutions/class-7/Science/chapter-12/
Percolation tanks and wells are used for
(d) all the above
(d) all the above
See lessEutrophication results in reduction of:
(b) dissolved oxygen
(b) dissolved oxygen
See lessWhich are sensitive to SO₂ pollution?
(b) lichens
(b) lichens
See lessThe ultimate source of energy in an ecosystem is
(a) sunlight
(a) sunlight
See less