Iwill mark brainiest , answer asap, .
what is one reason many of the earliest agricultural communities were centered in southwest asia and on the nile river valley?
a) the climate was cool and provided snow.
b) the location was close to america and increased trade.
c) there was a large population living in the desert nearby.
d) many great rivers provided fertile land and easy transport of goods.
13)
sumerians were the first to invent plows, 12 month calendars and
a) papyrus.
b) coin money.
c) road system.
d) wheeled carts.
14)
the first complex society to develop in mesopotamia was the
a) babylonians.
b) chaldeans.
c) persians.
d) sumerians.
15)
the term "b. c.e." generally refers to
a) a date.
b) a century.
c) a unit of money.
d) a title of honor.
16)
which of these represents the most significant reason why historians and archaeologists know relatively little about the indus river valley civilization?
a) their writing has not yet been deciphered
b) people have not considered it a valid subject to study
c) modern governments refuse to allow experts into the area
d) there is not proof that the civilization actually existed
17)
in history, the designation "c. e." means
a) common era.
b) century era.
c) communist evil.
d) collective engagement.
18)
how is a "civilization" different from an "empire"?
a) a "civilization" contains many different ethnics groups, while an "empire" does not.
b) an "empire" is usually small in size, while a "civilization" spans many continents.
c) a "civilization" does not have to involve conquering other lands, while an "empire" does.
d) an "empire" refers to a situation in modern times, while a "civilization" refers to historical period.
19)
a period of 100 consecutive years is known as
a) an era.
b) a decade.
c) a century.
d) a millennium.
20)

cindy was in her backyard digging up dirt in order to make a garden. she thought he had simply uncovered some oddly shaped rocks, but then she realized they might be more than just rocks: they might be the remains of an ancient civilization. cindy knew that she needed to call in an expert to her figure this out!
which of these people would cindy the most?
a) historian
b) economist
c) botanist
d) archaeologist
21)
the difference between primary and secondary sources is
a) primary sources are more important than secondary sources.
b) secondary sources are more important than primary sources.
c) primary sources were written during an event, but secondary sources were written after an event.
d) secondary sources were written during an event, but primary sources were written after an event.
22)
why were calendars created by early societies?
a) farmers needed to know when to plant their crops.
b) priests needed to keep track of special days.
c) people needed to be able to predict the annual floods.
d) all of the above