The central idea is what the main thing. For this, I think the central idea is simply Cactuses.
I'm not sure what another supporting detail can be, but if there's a back side, or another page about cactuses, I can sure help! But if that's the only side, ask your parents. xD
When a reader makes inferences based on the details provided, it means
that they are able to understand the narrative or plot within the story
that they are reading on a deeper level based on their own
interpretations and experiences.
The first and last!
“Cecily shares with “Ernest” how they have been engaged for three months.”
“Algernon rushes to see Dr. Chasuble about getting christened.”
I took the test!