Answer:
"The author had only a short lunch period, and it was difficult to clean up dished after heating lunch using saucepans" and "for a week, I battled with messy saucepans and sticky wooden spoons to heat my lunch each day"
Explanation:
Look for the context clues that are hidden in the passage. It will tell you the answer if you reread it.
The singular noun in this sentence would be the word "Sand" because it's talking about the "Hot sand".
He walked across the hot "sand", hot is used to describe the word sand.
Thus your answer.... B. sand.
Hope this helps. :)
That he was a good leader