Question

State and explain some other cropping patterns.Shruti went to a hill station with her parents

and her elder brother Sushil. One day they were walking through a valley where Shruti and her

brother started playing. Shruti was surprised to distinctly hear the same sound twice. She

discussed it with her brother. He told her that this phenomenon is called ’echo’.

(a) Define echo.​

Answer 1

Answer:

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Answer 2

Answer:

Repetition of the sound is known as echo