The Association for Educational Communications and Technology, abbreviated as AECT, is largely considered to be the first adult educational organization. It was founded in 1923 by educators who aimed to improve instruction through the use of technology. Its mission is “helping people learn more efficiently and effectively through the use of the best technologies available at the time.”
Not all southerners are republicans
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Explanation:
Christian population growth is the population growth of the global Christian community. According to a 2011 Pew Research Center survey, there were 2.3 billion Christians around the world in 2010, more than three times as many as the 600 million recorded it 1910. However, this rate of growth is slower than the overall population growth over the same time period.[1] According to a 2015 Pew Research Center study, by 2050, the Christian population is expected to be 2.9 billion.[2]
The average Christian fertility rate is 2.7 children per woman, which is higher than the global average fertility rate of 2.5. Globally, Christians were only slightly older (median age of 30) than the global median age of 28 in 2010. According to Pew Research religious switching is projected to have a modest impact on changes in the Christian population.[3] According to the World Christian Encyclopedia, approximately 2.7 million convert to Christianity annually from another religion; World Christian Encyclopedia also stated that Christianity ranks in first place in net gains through religious conversion.[4] While, according to "The Oxford Handbook of Religious Conversion", approximately 15.5 million convert to Christianity annually from another religion, approximately 11.7 million leave Christianity annually, and most of them become irreligious, resulting in a net gain of 3.8 million.[5] Christianity adds about 65.1 million people annually due to factors such as birth rate and religious conversion, while losing 27.4 million people annually due to factors such as death rate and religious apostasy. Most of the net growth in the numbers of Christians is in Africa, Latin America and Asia.[5]
The Qin dynasty was the first dynasty to start connecting the various walls into a greater whole. That happened around 221 to 206 BC and was done under the reign of Qin Shi Huang. Though the wall was later improved still by other dynasties, it was during the Qin dynasty that the Great Wall of China was first formed into a cohesive structure.
