First photo = a list...
second photo (blackboard) = strategy
third photo (pyramid) =discussion
fourth photo (map) = ecosystems
A
Explanation:
using her name and she/her instead of and I statements makes it 3rd person, and Because the writer can tell the reader what Harriet is thinking its omniscient, which can mean all knowing.
Hot zone. Air lock. These are both examples of jargon, aka slang.