Answers: 2
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 22:00
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, 23.06.2019 01:30
Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand
Answers: 3
Geography, 23.06.2019 13:00
What is one difference between austria and switzerland? a. austria is landlocked. b. austria has more minerals resources c. austria has a strong tourism industry d. austria has a strong dairy cattle industry
Answers: 1
Which statement correctly connects a resource to the problem with that resource...
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