what is reprensentation and what effect will it have upon th

what is reprensentation and what effect will it have upon th what is steam engine?how does it work and how effect is it? It is uncertain what side effect the medicine will bring abo What is greenhouse effect? What effect does the economy have on creativity and vicevers What effect does music have? what is it,which will be tomorrow and was yesteday? ( )I know what it is to be in need and what it is to have __ What he said ____ a great effect upon us. what is long tail effect? 高一英语单选题,1.What effect will what she said____you?It seems imp have you heard the latest news?no ,what-----?A is it B is th