What does the design of a retaining wall assume that the retained earth is?

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E.all the above. ...is the correct answer

Retaining wall:

Actually retaining wall  are usually made in basements below ground level say  to make basement parkings, its sole purpose is to retain soil and type is irrelevant it can be any even water during rainy season, that is why retaining wall should be Air tight

iapologize for the answer and thanks

thanks for invition my choice is option E

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