Answer:
B. Word choice
Explanation:
If your editor keeps noticing and pointing out reppetition, then you may want to try and be more diverse woth your wording. Definetley try using different adjectives to add more detail and keep it interesting for the reader.
I sentence that contains an element of bias could be one that states an opinion. For example, "I think her shoes are ugly, mine are better." the person talking is biased because they really like their shoes.
I believe it’s because they had to now share their space with eachother
Im pretty sure its correct