What detail of the myth is suggested in the poem but
not in the painting?

Icarus falling into the water
nting's landscape and
the sun melting Icarus's wings
the sun shining on the water

The sun melting Icarus' wings.

Don't really know how to explain :(

Hope this helps :D

1)What detail of the myth is suggested in the poem but not in the painting?  

✔ the sun melting Icarus's wings

2)What connection between the painting's landscape and the myth does this detail convey?  

✔ A part of nature caused Icarus to drown.

Explanation:

taking into account that a theme is the central topic a text treats and can be developed through a story, play, poem etc. the following are themes that can be further developed:  

my best friend jeffrey has many unusual interests. (the story could be about each of the unususal interests)

once a man gives his soul over to evil, he can never go back. (this could be a saying or a proverb)

the three sheepdogs lay around the yard all day. (it could be developed detailing how each of these sheepdogs lay around)

a priest's collar has an unusual effect upon people. (it could be developed detailing the different effect upon people)

innocence is a powerful force in a world full of corruption. (it could be developed detailing how is a world full of corruption)

king lear is a play shakespeare wrote later. (it is just a sentence and doesnt give any idea or topic to be discussed in details.

evil often wears the disguise of innocence. (this could be a saying or a proverb)