Science, asked by khushi1423, 6 months ago

can anyone pls tell me "which is the most difficult chapter in physics, chemistry and biology in 9th class NCERT book"

Answers

Answered by Koshiya
2

Answer:

Physics: Sound

Biology: Diversity

Chemistry: Structure of atom

Answered by AnishSaravanan
1

Answer:

Phy:Light

Che:Carbon and its compounds

Bio:Control and Coordination

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