The united states constitution has endured for more than two centuries as the framework of government. However, the meaning of the constitution has been changed both by formal and informal methods.

The statement is correct because if there is a bunch of noise around you and you are focusing on the noise you will not comprehend your questions and lessons nor will you be able to get the proportion information you need and you will likely spend many more hours on work than normal than if you could ignore the sound

Ibelieve it is d but i may be wrong