You can stop and resume the questions at any time. Be aware that unless you have submitted your answer by clicking the “finish” button, your work will not be saved so I recommend writing your answer somewhere else, like an email or word processor, then copy/paste into the answer box when ready.
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You’re doing great! I recommend taking a break for at least a few hours and up to a week then answering the next question. There is no need to “save” your work as once you have clicked the “finish” button, your written answer has been recorded and you can stop and come back and resume where you left off at any time.
This response will be awarded full points automatically, but it can be reviewed and adjusted after submission.