Parralelism, which is comparing two similar things to each other. ~Have a Great Night~ :)
I need more details. Like what is the insurance policy?
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I believe that the answer is:
C.(Hydration)
Hope this helps!
I think the answer is closing and draining the reservoir
~Hello there!
Your question: Which is a way to present a research report?
Your answer: The best way to present a research report is multimedia presentation.
The answer is number 4.
Any queries?
Happy Studying!