Non-contact force: A force that acts on an object without touching the object (e.g., magnet and gravity). Contact force: A force that acts on an object by touching the object (e.g., collision, magnets and gravity).
Answer:C.The Writer made the language more modern.
Explanation:
Took the test.
I pretty sure it's B if I remember my English from last year
"The letters of Paul", I think. you can always look it up as well. :)