13. Who of the following was not a revolutionary? (A) Madanlal Dhingra
(B) Lala Hardayal
(C) Lala Lajpatrai
(D) Champak Raman Pillai
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(C) Lala Lajpatrai

Explanation:

Lala Lajpatrai was a member of the Indian National Congress where he was an important member of the independence movement in India. An Indian by profession, he preached peaceful methods to gain independence from the British government.

Lala Lajpatrai died a martyr of the movement after he was severely injured during a protest against a commission instituted by the British Raj.

those sounds of the natural world are bioacoustics, and they're more than a false-color spectrogram of data from the musiamunat conservation area.