Answer:
D.
Explanation:
D. it helps to predict main points!
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Both B and C, Princess Diana lived a tough life as a royal and she had to work around it many times
The option which is an example of the weakest research question is A. What type of flower grows best in a Pacific Northwest garden?
This is because here, you are just going to say what flower that is, and maybe say a few words about it, and that's it - there's no actual research to be conducted here. The other options are far more extensive, and you can actually write about them a lot.
The sentence is a simple compound sentence.
<span>A simple sentence is an accumulation of phrases that creates a comprehensive knowledge. Simple sentences are distinct from another sentence standards since they include barely one </span>independent clause<span> and have no </span>dependent clauses<span>.</span>