I don't see any errors. I've read it over a few times and really looked, but, I'm not seeing anything wrong. And, sure, there are different ways to write this paragraph, but, I don't see anything wrong with the way it is written right now.
Answer: Technology, because the other three do not match the definition. Engineers is a profession.
It's important to add and choose good resources. It shows that our claims are supported by facts,and that our work is reliable.Using poor resources can show that our work isn't trust worthy or doesn't tell us the full truth.
Hope this helps!
