question need to be answered now
HEED 103 Summer Lecture Three .pptx
this is a presentation and in the 21 slide is question followed by 4 cases slide 22, 23,24 ,25 each case should have tow point as what is explained in slide 21 and for the first point the answer in going to be one of the themes in slide 3 and for the second point as you understand form the presentation