What is the mariana trench, and what does it have to do with tectonic plates?
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Geography, 22.06.2019 14:40, thezbell
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
Answers: 2
Geography, 23.06.2019 14:30, 2000samantha
Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland
Answers: 1
Geography, 24.06.2019 00:00, jjaerere1086
The ethnic conflicts in darfur have led to an attempt to destroy a whole people known as
Answers: 1
Mathematics, 30.06.2021 01:30
Mathematics, 30.06.2021 01:30
Mathematics, 30.06.2021 01:30