Wei is writing a report. She wants to use a phrase that most strongly fits her topic. Choose the phrase that best belongs in the blank.
Scientists have known that people called the Mayans lived in Central America long, long ago. They did not know, however, how large
the Mayan cities actually were or how many people lived there.
A new tool, called LIDAR, helped scientists learn that Mayan cities in Guatemala were much bigger than anyone ever imagined. LIDAR
was used from airplanes to shoot laser lights over nearly 800 square miles of Guatemalan forest. The lights took pictures of objects buried
under the forest.
LIDAR showed that some of the objects were thousands of buildings making up cities. These
were even
connected by highways. Scientists believe that these city centers were once home to over 10 million people.
ancient cities
cities from the past
really old cities
experienced cities

according to the options stated, the one that is correct is the second option. the author most likely includes the panel to hint at the strong bonds among his family members. besides, the image from art spiegelman’s maus is common to show and portray the innocence and naivete of the children during the holocaust as well as the fact that millions of innocent jews were rounded up and taken by train to camps.

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."

the answer that is correct is the last option.

what does the teacher mean