Can someone me with questions 1 and 2. i'll post pics of both questions instead of writing everything out

Why did thales choose water as the "primeval stuff", what us this "primeval stuff"

How do you say, " hi my name is clara evertsen" in portugues?

Hello, i need you to me my teacher sent me a letter to the reader and in the letter i have to put in. why do i want to get 3 points? and he said that of the 4 arguments choose one and that with that argument write the letter these are the arguments: addition: also that, even that, too. comparison: more than, less than, as much as. opposition: but, however. security: without a doubt, of course. those are the 4 arguments and i have to choose just one, i need it it's very urgent you it's about language and literature