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Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
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Geography, 22.06.2019 21:50
Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph
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Geography, 23.06.2019 16:30
Southeast asia relies on its many because of the volcanic, mountainous terrain. a. highways c. rivers b. airports d. lakes
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Paano maiuugnay sa pag-usbong ng nasyonalismo sa silangan at timog-silangang ...
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