Answer the quesion please

What is the participal phrase,the prepositional and the substitute and descriptive adjective fir "or something." stumbling up the school steps kari fell or something

Hey guys! i've got an exercise where you've to find out the correct sentence in each pair. 1) a-we were tired and thirsty, so we stopped to have a drink at the cafè. b-we were tired and thirsty, so we stopped having a drink at the cafè. 2)a-if your computer freezes, try to turn it on and off again and see if that . b-if you computer freezes try turning it on and off again and see if that . me! it's urgent!

How is time represented in “persistence of memory” by salvador dali? what effect does dali achieve? can writers use similar techniques in written works? how would writers achieve this with words?