Question

they created their ladder ( form wh-ques)
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Answer 1

1) Why did they create their ladder?

2) When did they create their ladder?

3)Where did they created their ladder?

4)Who created the ladder?

wh questions(definition) -a question in English introduced by a wh-word, that requires information in answer, rather than yes or no.

If you think it's the best, mark it as brainliest.