Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Which languages used the Phags-pa script or rather which languages rejected it?
Which languages rejected the Phags-pa script?

In the layered model of the Earth, the mantle has two layers above it. What are they no sorry it has two layers belows it, what are they?
In the layered model of the Earth, the mantle has two layers below it. What are they? 

Orthogonal force angles hmm instead vectors can can four-dimensional with what?
Orthogonal force vectors can can four-dimensional with what?