I believe the correct answer is: C. by chronological order.
Chronological order represents the successive organization of
statements, actions or facts, which means that they are arranged following one
after another in time.
This passage of the cause-and-effect essay is organized in
chronological order. The indications to that are the time references as “day”, “night”, and “years” which represent chronological cycle. Apart from that, the
indications are also “then” and “now” which put the cause and effects one after
another in time.
C) The oak's roots were shallow and only reached about 20 feet down into the soil.
i took the test and got it right
Probaly the answer might be c