Question

name two sources of sound that may be preferred while performing experiment on reflection of sound​

Answer 1

clock , mobile phone are the two sources.

Answer 2

Despite all her efforts, Susan did not succeed.

This is the answer to the question.

There is a change in the begging of the sentence.

Instead of Inspite of, the word.

Despite has been substituted.

This means that the meaning of the sentence remains the same only the way in which the sentence is framed has changed the order of a few words .