It is C. A presentation of how paper is recycled on campuses across the United States.
I think you mean a scaler quantity.
a scaler quantity is something that is measured without a directional component to it.
ie. mass, temperature, speed
it could be negative value but the negative means its value. you can use a scale to measure scaler quantity.
1)Adverb
2)To
3)To show us the cave paintings
4)"Of course I don't know."
Is this a book because if it is what book or poem etc.
