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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 18:00
On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river
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Geography, 22.06.2019 19:50
Why did other countries want to have a part in what was occurring in southwest asia?
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Geography, 23.06.2019 18:00
Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel
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What is the volume of 5000 grams of H2SO4 ?...
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