A. an adjective (because it's describing the subject)
Answer:
During the year 1901, there was a small difference between the deaths and births. As time went forward, the change became more noticeable because there were about 60 thousand births and 25 thousand deaths. There was a period where the deaths were rising in a constant slope, the number of deaths decreased a little before they went up again. During the year 2041, the number of deaths and the number of births were the same. As time went by, there was a time where the number of deaths preceded the number of births.
