Geography, 01.09.2019 07:30 destinywiggins75
Which type of rock was precipitated from seawater as the mediterranean sea evaported between 8
million years ago and 5.5 million years ago
Answers: 1
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, 22.06.2019 22:00, kautumn27
Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.
Answers: 1
Geography, 22.06.2019 22:50, realpcy7515
The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called
Answers: 1
Which type of rock was precipitated from seawater as the mediterranean sea evaported between 8
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