1. Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans? Humans and other multicellular organisms have large bodies and require a lot of oxygen to reach ...
How NCERT Books Help in Class 10 Science Preparation: NCERT books are considered the most reliable resource to study Science and score good marks in Class 10 exams. They explain concepts in a simple ...
NCERT Books for Class 10 All Subjects PDF: Below are the latest NCERT Books for Class 10, essential for students preparing for the 2025 board exams. These textbooks are available in chapter-wise PDF ...
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