Answer:
The author in "On his blindness" refers to his blindness.
Explanation:
Jorge Luis Borges, the author of this poem, suffered from blindness and that is what he reflects in this poem.
What he means when he says "it breaks things down into a single thing, colorless, formless" is how he sees things because of blindness, as formless and colorless things.
This poem has a melancholic tone. The blindness that came to Borges in 1955 meant a great change for him, since he was a lover and fond of reading.
Answer: Everyone would die.
Explanation: plants clear out carbon dioxide. Without them we would eventually die.
"Raining cats and dogs" literally means that small animals are falling out of the sky. But, of course, this image of animals falling from the sky is a metaphor for very large, heavy drops of water (and possibly dark skies, since animals are opaque).
In a normal metaphor there should be <u><em>no</em></u> word (like).
if you made this example try to change it, but if it is the teacher's question......
<u><em>Hope this helps!</em></u>