How are opinion marking signals used in sharing ideas​

In chapter 3, scout criticizes her classmate, walter cunningham, for asking for molasses and then pouring it on his vegetables and meat while he was a guest at the finch home. in this scene, what does the author’s use of flashback in a first person point-of- view narration achieve?

It's timed! overpopulation can affect the natural environment • limiting land available for crops.• lowering the standard of living.• causing the destruction of forests.• worsening sanitation in cities.

Which tense allows for an event that began in the past to carry into the present moment in time