the answer is definitely c
This is false. Very very false. Why would you have nothing personal in a social letter that makes no sense whatsoever?
Answer: The correct choice is C.
Hope this helps!
Explanation:
A split infintive is an infintive that b. has a word between "to" and the verb. (Why do you think they call it split?)
<u>Examples</u>: <em><u />
to boldly go where no man has ever gone before
she seems to really like it</em>
P.S. Learn to Google<em />
Answer: Derive
Explanation:
In this sentence the incorrect verb is derives and the correct one is derive.
Derive is considering transitional verb and the meaning of it is, for example, to receive or to take something from some source which in this case is correct since in sentence we have that something is derived from the source, in this case, hand-operated devices and other.