1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vilka [71]
4 years ago
12

The dragon backbone pump led to an increase in _______________.

History
2 answers:
ELEN [110]4 years ago
7 0

^

l

l

l

l

l

l

l The person adove me is wrong.

Answer:

The answer is D. all of the adove

Explanation:

I did the test >:)

Step2247 [10]4 years ago
4 0

Answer:

Food Surplus

Explanation:

The dragon backbone pump was a device used in china during the Song dynasty, to pump the water into canals to irrigate crops and to collect fresh water from wells. The unique thing about this device that even a single man could operate it. It was in use for almost 300 years. It was portable and advanced irrigation and farming became much easier by allowing one person to do the job of many. It helped to produce surplus food.

You might be interested in
Question 5 / 5
Vsevolod [243]

Answer:

C. Humans have been on Earth for a very short amount of time

Explanation:

using process of elimination, insects were around before dinosaurs were so that takes away B and C, then humans have been on earth for around 200,000 years which definitely isn't hundred of millions so it's most likely C

6 0
3 years ago
Read 2 more answers
How many days are in 2 years
DiKsa [7]
It is 730 365 • 2 = 730
7 0
4 years ago
The state of Georgia and the government of the United States were justified in forcing the Indian tribes east of the Mississippi
trapecia [35]

Answer:

disagree

Explanation:

because we took there land we should of let then stay where they were

6 0
3 years ago
Michael pauses during his reading and realizes that he is not understanding the story.
Alex17521 [72]

Answer:

B, reread

Explanation:

3 0
4 years ago
Read 2 more answers
What served as the basic building blocks of African society
kirza4 [7]
<span>Lineage groups served as the building block as of the African society. This is where the group can declare their descendants, which has a common ancestry wither real or imaginary. They could verify their ancestry through the use of lineage groups and a sense of belongingness, hereafter. These were also the basis of formation of linear groups which the cohesion of the different extended family elements.</span>
8 0
3 years ago
Other questions:
  • During the reformation there was a great amount of conflict in Europe between Catholics and Protestants. This conflict caused Ca
    12·1 answer
  • Which of the following allowed hominins to create and use tools? A. The development of language b. Creation myths c. Increased p
    10·1 answer
  • Educational self-fulfilling prophecies also are known as Select one: a. teacher-expectation effects. b. tracking consequences. c
    8·1 answer
  • What type of land form is north korea and south korea located on
    9·1 answer
  • Shakespeare’s works are well known for exploring the Renaissance ideals of humanism and blank
    12·2 answers
  • W9-Try It 1: Incorporation/Federalism
    8·1 answer
  • Complete the table for the given ratio.
    11·1 answer
  • 10. Aling pangyayari o bahagi sa nobelang "Ang kuba ng Notre Dame" ang hindi angkop na ilapat ang teroryang humanismo?
    10·1 answer
  • What did Palestine contain in which was valued by both Jewish and Arab people?
    15·1 answer
  • Which is not required for historical inquiry?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!