The movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer.
Read the following:
"Reading the comments on online articles fills me with worry over the state of the education
will be thoughtful, well-stated, and clear, most of them are nothing but word salad."
Based on context clues in the reading, define "word salad."
O angry comments
mixed-up and unorganized comments
O unpleasant comment
boring or dull comments
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NG