Will I get good marks in maths if I don't study from RD Sharma book in class 9 th for year 2021 - 22. Or NCERT is enough??
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Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.
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if you only read ncert this is enough but read carefully and if you want to know what type of qustion come in exam you have to study R.D Sharma also
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