1940s. In the United States, where Ten Thousand Villages (formerly Self Help Crafts) began buying needlework from Puerto Rico in 1946, and SERRV began to trade with poor communities in the South in the late 1940s. The first formal “Fair Trade” shop which sold these and other items opened in 1958 in the USA.
Answer:
Explanation:
Measuring the amount of deu terium in the universe allows us to set a limit on the density of ordinary matter of universe. Density of the universe is about 9×10-27 kg m-3, because of the way in which deu terium was created in the Big B ang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.
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