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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
(d) All the above
(b) abrasion
(b) mercury
(d) 2.5%
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 lessForest destruction results in
(d) All the above
(d) All the above
See lessWind causes weathering of rocks through
(b) abrasion
(b) abrasion
See lessFertilizers cause
(d) all the above
(d) all the above
See lessToxic chemical released by paper industry is
(b) mercury
(b) mercury
See lessPercentage of total Water found as fresh water is
(d) 2.5%
(d) 2.5%
See less