B) to demonstrate a lesson about the importance of scientific research
The article focuses on the research done to conclude that the crater formed was due to a meteorite, not a volcano and further goes to mention the other hypotheses drawn from it, such as the craters on the moon. The final few sentences indicate that scientific research is also being done on other events.
The answer to this question is D. to support the idea that matches really changed human life.
I can’t see the quotation but The answer should be “It tells the Photographers perspective to persuade readers to take action”
disadvantages is the right answer here
The answer is c because it connects the sentence