What are two possible challenges of online collaboration?
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Answer:
A and B
Explanation:
A: In real life, you are always in the same time zone. Working across the internet, however, you are not. (Correct)
B: It's hard for people to understand what you mean, because they can't see body language. (Correct)
C: This could still happen in real life (Incorrect)
D: This is an opinion. (Incorrect)