Question and answer
Question not found
Ask a question
Not a good answer? Get an answer now. (Free)
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
Who is the closest relative to modern humans? User: People living in _____ tend to eat a diet that is high in carbohydrates.
Weegy: People living in poverty tend to eat a diet that is high in carbohydrates. User: What appeared on Earth first? Weegy: earth sciences Question: When Did Water First Appear On Earth? 4 billion years ago water appeared on the Earth science are learning more about it ... [ ] (More)
Question
Expert Answered
Asked 6/8/2011 9:11:42 AM
0 Answers/Comments
Why is external criticism so important when it comes to analyzing data?
Question
Updated 11/9/2011 5:10:39 PM
1 Answer/Comment
shut up
Added 11/9/2011 5:10:40 PM
shut up
Added 11/9/2011 5:10:40 PM
Electrons spin in shells around the nucleus. The closest shell (n = 1) can contain a maximum of _____ electrons?
Question
Updated 8/4/2011 12:24:27 PM
1 Answer/Comment
que
Added 8/4/2011 12:24:27 PM
This answer has been added to the Weegy Knowledgebase
The Mesopotamia region was famous for what architecture? User: One example of a moral code would be _____.
Weegy: Code of Hammurabi (More)
Question
Expert Answered
Asked 6/9/2011 8:25:10 AM
0 Answers/Comments
In what ways did the plow benefit societies? User: In what ways did the plow benefit societies?
Question
Not Answered
Updated 6/9/2011 11:02:04 AM
1 Answer/Comment
Agriculture and the plow originated 10–13 millennia ago in the Fertile Crescent of the Near East, mostly along the Tigris, Euphrates, Nile, Indus and Yangtze River valleys, and were introduced into Greece and southeastern Europe 8000 years ago. The wooden plow, called an ard, evolved into the “Roman plow”, with an iron plowshare, described by Virgil around 1 ad and was used in Europe until the fifth century. It further evolved into a soil inverting plow during the 8th to 10th century. In the U.S., a moldboard plow was designed by Thomas Jefferson in 1784, patented by Charles Newfold in 1796, and marketed in the 1830s as a cast iron plow by a blacksmith named John Deere. Use of the plow expanded rapidly with the introduction of the “steam horse” in 1910 that led to widespread severe soil erosion and environmental degradation culminating in the Dust Bowl of the 1930s. A transition from moldboard plow to various forms of conservation tillage began with the development of 2,4-D after World War II. No-till is presently practiced on about 95 million hectares globally. No-till technologies are very effective in minimizing soil and crop residue disturbance, controlling soil evaporation, minimizing erosion losses, sequestering C in soil and reducing energy needs. However, no-till is effective only with the use of crop residue as mulch, which has numerous competing uses. No-till farming can reduce yield in poorly drained, clayey soils when springtime is cold and wet. Soil-specific research is needed to enhance applicability of no-till farming by alleviating biophysical, economic, social and cultural constraints. There is a strong need to enhance sustainability of production systems while improving the environmental quality.
Added 6/9/2011 11:02:04 AM
19,709,135 questions answered
Popular Conversations
Given: y varies directly with x and has a constant rate of change of ...
Weegy: If y is 5 when x is 2.5 and y varies directly with x, y is 20 when x is 10. 5/2.5 = y/10 2.5y = 50 y = 50/2.5 ...
2/28/2015 11:24:34 AM| 5 Answers
Which of the following energy sources is attributed to Edwin Drake ...
Weegy: The following energy sources is attributed to Edwin Drake and had significant impact on industrialization during ...
2/28/2015 3:21:51 AM| 2 Answers
The oldest type of city government in America is the _______ form. ...
Weegy: The oldest type of city government in America is the D. mayor-council form. User: Which of the presidents ...
2/28/2015 11:31:00 AM| 2 Answers
What is the equation of the line, in slope-intercept form, that ...
Weegy: The equation of the line, in slope-intercept form, that passes through (3, -1) and (-1, 5) is y = -3/2x + 7/2 ...
2/28/2015 11:42:07 AM| 2 Answers
Who is Isabel Allende?
2/28/2015 12:07:31 PM| 2 Answers
Simplify: (2x)3
Weegy: 11(2x + 3) =(11)(2x) + (11)(3) =22x + 33 User: How much must you invest at one time in order to accumulate ...
2/28/2015 2:42:37 PM| 2 Answers
___________are a complex set of characteristics that make a person ...
Weegy: - - - are a complex set of characteristics that make a person unique, and are influenced by heredity, ...
2/28/2015 12:38:22 AM| 1 Answers
(x+3)(y+6)
Weegy: Here are some characteristics of grace and forgiveness: patience, kindness, mercy, unconditional love, empathy, ...
2/28/2015 1:15:50 AM| 1 Answers
Which of the following inventions destroyed the first market for ...
Weegy: B. The automobile
2/28/2015 3:25:11 AM| 1 Answers
__________ made mass production relatively easy in many ...
Weegy: B. The power generator
2/28/2015 3:27:53 AM| 1 Answers
Weegy Stuff
S
L
P
L
P
P
Points 46 [Total 7932]| Ratings 0| Comments 46| Invitations 0|Offline
S
1
L
L
Points 11 [Total 7512]| Ratings 0| Comments 11| Invitations 0|Offline
S
P
C
L
P
L
1
Points 4 [Total 7311]| Ratings 0| Comments 4| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
S
Points 0 [Total 0]| Ratings 0| Comments 0| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.