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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, 23.06.2019 01:00
Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?
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Geography, 23.06.2019 13:10
The middle east links which two continents? â—Źasia and europeâ—Źeurop and africaâ—Źafrica and asiaâ—Źafrica and australia
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Geography, 24.06.2019 02:00
These issues present challenges for regional urban areas. select all that apply. -housing availability -inadequate services -pollution -reduced population -rural migration
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Which of the following is an example of a conditional statement...
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