B is the answer
Explanation
Explanation:
English has two articles: the and a/an. The is used to refer to specific or particular nouns; a/an is used to modify non-specific or non-particular nouns. We call the the definite article and a/an the indefinite article. For example, if I say, "Let's read the book," I mean a specific book.
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.
The classes were all held (verb) in the morning (adverb).
Work began (verb) promptly at nine o’clock (adverb).
The students found the illustrations (noun) of the problem (adjective) interesting and helpful.
Teachers located materials (noun) on different topics (adjective).
Classes (noun) like these (adjective) kept the students busy
