Question
Why is it difficult to hold a school bag having a strap made of a thin and strong string?
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Why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard?
What is taxonomy?
Explain how sieve tubes manage to be living?
Name two lateral meristems which help in secondary growth of stem and root.
Give two examples where a body possesses both, kinetic energy as well as potential energy.