11. If the writer were to delete the underlined portion (adjusting the punctuation as needed), the essay would primarily lose:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

The deleted part is an attributive clause, which is an explanation of meteoroid airburst. According to the sentence meaning and context, the clause echoes the creation process of desert glass [mentioned in the previous paragraph], so item B is correct.

Item A: There is no comparison part in the clause, so there is no greater.

Item C: The clause does not explain why such events are rarely studied by scientists [why is not explained].

Item D: The clause does not explain why meteoroid airburst occurs.