I think it is adverb clause because of the word "hardly" which emphasises the ripple of the water
Answer: If his plan is going to work.
Explanation: Clearly Jack is using STEM for his plan so making sure that his plan works could possibly be the answer. I mean if you were creating a project you would want to make sure that it works and that you checked your STEM skills to go forward with the plan.
Thank you so much Makayla!! This makes me so Happy right now!! Everything has been very stressful right now! You're so amazing too!! Have a good night & sleep!!
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Answer:
I think its pact let me know if im wrong!
Um, name of article would be very appreciated, but B or D?