i think that it might be c
C is the correct answer to waste it
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.
d.) is the subject/noun
I don't exactly know what the question is, but i hope this helps.
The battle between Beowulf and Grendal was aggressive. It was violent and displayed the strength between the masculine figures. It was the force between good and evil. The narrator has Christian views that is clearly demonstrated through this battle. It is stated that Beowulf received his strength that defeated Grendal by God.