Question
Explain why, diffusion occurs more quickly in a gas than in al iquid.
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Calculate the wavelength of a sound wave whose frequency is 220Hz and speed is 440m/s in a given medium.
Name the part of the ear:
connects the pinna with eardrum.
What was non-biodegradable substances?
What is sound? What type of waves are sound waves in air?
Write a short note on sclerenchyma.
Why do we feel light on our feet when standing in a swimming pool with water up to our armpits?