Geography, 27.07.2021 18:20 xoudoyditaous85alja
(Q009) Magnetic reversals a. happen slowly as the magnetic poles wander and finally cross the equator. b. are localized phenomena that are recorded differently in the rock record at various locations. c. are caused by lightning strikes and/or chemical reactions. d. reflect changes in the direction of the flow of molten iron in the Earth's outer core.
Answers: 3
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
Answers: 2
Geography, 22.06.2019 17:00
Why is the improved education of girls so important, especially with regard to economics and health? what are the leading causes of death among teenage girls in africa and how are they tied to education?
Answers: 3
(Q009) Magnetic reversals a. happen slowly as the magnetic poles wander and finally cross the equato...
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