Answer:
Yellow fever is a disease caused by a virus that is spread through mosquito bites. Symptoms take 3–6 days to develop and include fever, chills, headache, backache, and muscle aches. About 15% of people who get yellow fever develop serious illness that can lead to bleeding, shock, organ failure, and sometimes death.
Explanation:
I copy and pasted this from the internet but you can easily summarize this in different words.
Ourselves is the pronoun and i believe it's reflexive
It would be d because:
C=2(3.14)(5)
And all of that would equal 31.4 meters