the most serious flaw of this design is: <span>They have not defined happiness or how it will be measured.
Happiness is very subjective because it each person may have a different source of happiness. For some people, it maybe the success of their career while for the other it's simply doing what they love to do. Not only that, if Magali and Jane collect the data simply by asking like that, they would not know whether the person is telling the truth.</span>
The increase in agricultural production and technological advancements during the Agricultural Revolution contributed to unprecedented population growth and new agricultural practices, triggering such phenomena as rural-to-urban migration, development of a coherent and loosely regulated agricultural market, and etc.
Answer:
The stated mission of UNESCO is “to contribute to the building of peace, the eradication of poverty, sustainable development and intercultural dialogue through education, the sciences, culture, communication and information.” Beginning in 1961, UNESCO began collecting local music, mostly through field recordings
