Which of the following are true about essential questions? O An essential question helps to guide the research.
O An essential question uses information to answer an evidence-based claim.
O An essential question should be clear and of interest to the writer.
O An essential question is developed into a thesis statement.

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Photography has changed its subject matter quite a lot over the past few years. in the 1800's, it was considered normal for families to have  post mortem photos of their loved ones, and now that would be completely unacceptable. i think that photographers have always pushed boundaries and have been eager to capture everything, it is just society that changes their boundaries.