Language is used to defend and challenge ideas how?

A language is a tool necessary for rejecting or defending the ideas.

Explanation:

The language can be used to defend their ideas from the criticism of peers and the general public, a person can express oneself and can present views through language. The person can challenge ideas through self-gained knowledge and strong communication mode which is only possible through language. The communication and expression of ideas is the main purpose of language.

i hope this helps

That's True.

Explanation:

Language is used to defend the point of perspective that an idea portrays.

●Example: God created man because we did not come from monkeys.

Language can challenge an idea.

●Example:

1.Darwin actually said we came from apes and he never said, "man came from monkeys."

2. Tell me the difference between monkeys and apes. --that is a statement that challenges the idea that man came from monkeys.

dramatic irony is your answer