Step-by-step explanation:
So,what they're asking is for you to basically compare the technologies of the Eygytians and the Harappans,using the sewer system.
For the formula of the paragraph,I would suggest using Point Evidence Explain Expand and maybe Link as this is about both the Eygytians and Harappans.
Here's an example starter for every part in the PEEEL formula mentioned above.Use it as your base if you really want to:
One way the Eygptians' technology differs from the Harappans is...
This is shown...
The reason for this is...
This is because...
This links to...
And that's all!Hope you get a good grade and good luck :))