Identify the text structure: Linux and Windows are both operating systems. Computers use them to run programs.
Linux is totally free and open source, so users can improve or otherwise modify the
source code. Windows is proprietary, so it costs money to use and users are prohibited
from altering the source code.
Compare and Contrast
Description
Problem and Solution
Cause and Effect
Sequential/Chronological

"the day we found the sharks' teeth" i would say highlight the element of the plot as it sets its boundaries and centers the adventures of them being on a boat and cleaning spit of sand.

the characters in string all have major secrets that they strive to avoid revealing throughout the play.

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.

search it up on google or think from your brain make it work harder.