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Frances Densmore and Blackfoot chief Mountain Chief working on a recording project of the Bureau of American Ethnology (1916).. Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.
Much of the Philippines lie within the area of strongly tectonised blocks of mainly island arc origin, known as the Philippine Mobile Belt. To the east, Philippine Sea plate is subducting beneath the mobile belt along the line of the Philippine Trench and the East Luzon Trench at the northern end of the belt.
On July 27, 2022, at 8:43:24 a.m. , an earthquake struck the island of Luzon in the Philippines. The earthquake had a magnitude of 7.0 M w , with an epicenter in Abra province. [4] [5] Eleven people were reported dead and 615 were injured. At least 35,798 homes, schools and other buildings were damaged or destroyed, resulting in ₱1.88 billion ...
It has erupted 16 times since 1885 and is considered as the 4th most active volcano in the Philippines after Mayon, Taal, and Kanlaon. There are evacuation procedures in place for parts of the peninsula, the farms nearest the volcano are evacuated, and many of the village schools are closed if it is considered possible that a more destructive ...
However, only a tiny fraction of these reserves is economically viable with present-day prices and technologies. Estimates of copper reserves available for mining vary from 25 to 60 years, depending on core assumptions such as the growth rate. [36] Recycling is a major source of copper in the modern world. [35] Price of Copper 1959–2022