Seven students A , B , C , D , E , F and G are living in a single room . They sleep on the following conditions . I)A sleeps when D and F sleep .
II) E sleeps only when B sleeps .
III) E sleeps when C and G both sleep .
IV) C and G sleep when D sleeps .
V) D sleeps when F sleeps .
Which one should sleep first so that all the students could sleep .​

Describe three methods that can be used to improve photosynthesis

Which detail from the diary of a young girl supports the idea that anne’s voice is optimistic? “at three o'clock . . the doorbell rang. i didn't hear it, since i was out on the balcony, lazily reading in the sun.” “so much has happened it's as if the whole world had suddenly turned upside down.” “the first thing i stuck in was this diary, and then curlers, handkerchiefs, schoolbooks, a comb and some old letters.” “it may be damp and lopsided, but there's probably not a more comfortable hiding place in all of amsterdam.”

What is the meaning of life? its for a language arts i need facts about what makes people happy will delete bad answers