Question

Which lines in the passage explain why English scholars felt a dire need to set standards for the English language?

Answer 1

Again, you forget to include the most important part of the question.

Which TWO parts of the passage explain why English scholars felt a dire need to set standards for the english language?

Which means the answers should be:

According to some scholars, when poorly educated people read, wrote, and spoke, they corrupted the English language.

And:

There was no authority on the "correct" way to use or spell words.

Copy and paste is a thing, people

Answer 2

This sentence, [ According to some scholars, when poorly educated people read, wrote, and spoke, they corrupted the English language] apparently shows and explains a dire need to set standards in the English language or else the language may get corrupted in no time.