What I know of that it Scrooge is visited as the bell tolls at one o'clock by the first of three ghosts, as promised by Marley's ghost: the Ghost of Christmas Past. The apparition is a curious figure' that both an old man and a child appear to be.
Answer:
The magenta and sky blue sentences are the answers.
Magenta) Admittedly, we cannot reuse or recycle all of the materials we use in our daily lives.
and
Sky Blue) My opponent would use these limitations of our ability to recycle to counter my points about the materials we can recycle
Both these sentences are countering the speaker's claim