Based on the provided statements, the two correct answers about the introductory sections of the essays would likely be:
- Both survey past trends leading up to the present moment.
- Both address assumptions that may be vague or incorrect.
Reasons:
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Survey Past Trends: This statement suggests that both essays provide a historical background to set the stage for their current arguments. This is a common technique in introductory sections of essays to help readers understand the context and evolution of the issues being discussed.
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Address Assumptions: This statement indicates that both introductory sections critically examine any assumptions that may not be well founded. This approach helps to clarify the argument and to prepare the reader for a more nuanced discussion.
The other statements related to the importance of tackling climate change, the importance of housing the population, and asking readers to consider their immediate surroundings may not be applicable to both essays and thus are less likely to be correct.