Which of the following is a complex sentences

a. mark wanted blueberry pie and vanilla cream
b. as i expected, she showed up late
c. sue gave jim a new jacket, and he left for the tennis court
d. eileen bought pants but not a new jacket

answer: the correct answer is b. an essay that connects the writer's experience with a topic of significance and of reader interest.

explanation: the key words are here "personal experience" since personal essays give insights about peoples' experiences in life and introduce us in their unique world that can be or not to related to our lives but interests us because we are human beings and share the same condition universally.  

it is the nurture that decides the behavior of a child.

explanation:

naturally, children are pure. it is an environment and the type of attention a child gets that determines their behavior.