In the poem " it is a beauteous evening, calm and free" by wordsworth.
in what element of nature does the poet actually physically hear the sound "like thunder" of the "mighty being"?

the sun
the heavens
the sea

The Sea

Explanation:

We can find the answer in the following excerpt:

The gentleness of heaven broods o'er the Sea;

Listen! the mighty Being is awake,

And doth with his eternal motion make

A sound like thunder—everlastingly.

The author refers to the “mighty Being” that has an “eternal motion” and sounds “like thunder”; we can understand that the narrator is watching the sea and describing his behavior, the element of nature that refer to in the description is then the sea.

bc

explanation:

because it crosses through the circle twice

he uses the metaphor autumn.