Mary Douglas Leakey was recognized in her lifetime as one of the world’s most distinguished fossil hunters. In 1974 Mary BEGINS work at Laetoli, 30 miles from Olduvai Gorge. It is here that Mary and her team found amazingly well preserved hominid footprints in volcanic beds, known as tuffs. The footprint tuff of 1976 has a potassium argon date of 3.5-3.8 mya, evidence of upright walking that supported Donald Johansen's find, Lucy, also known as Australopithecus Afarensis, though Mary Leakey has rejected this( she believe that the belong to the genus homo). Eighty feet of trail had been uncovered by 1979, leaving researchers to speculate that it was three hominids, possibly a family, that left their mark millions of years ago.
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On April 2, 1792 the Mint act was passed.
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The most popular versions were printed in small sizes that could be easily carried and were bound in bright red covers, becoming commonly known internationally as the Little Red Book.
Explanation:
Christian communities developed a formal church structure within its clergy. At first the clergy included priests and bishops, the highest ranking church officials. As the church expanded, archbishops were appointed to oversee the bishops.
