Select the correct answer. A modification is a change to an exercise due to a limitation while aiming to the original intent of the exercise.
A.
Increase
B.
Decrease
C.
Eliminate
D.
Maintain

But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

This is chinese will mark brainliest what does hǎo bù hǎo mean? it is used to ask a question, good/not good? it is used when you are indecisive about something. it is used to say that something is both good and not good at the same time. it is incorrect and means nothing.

Malayalm story 'kaalakal'by p. k bhaskaran. can you give the summary or can you say what's the chapter about? someone reply