Hi Experts, I am really confused about question 3, please help me.
Option A: "In the youngest basalt, they are aligned with the earth’s current polarity."
How can we say that the youngest basalt has Earth's current polarity? It can also have reversed polarity if its age is old enough for that, but still being the youngest among all basalts.
Option B: "In magma, most but not all of them align themselves with the earth’s magnetic field."
In this option, however, we can safely say that when basalt is in magma form then magnetite grains it consists can align themselves with the earth's magnetic field.
Option A: "In the youngest basalt, they are aligned with the earth’s current polarity."
How can we say that the youngest basalt has Earth's current polarity? It can also have reversed polarity if its age is old enough for that, but still being the youngest among all basalts.
Option B: "In magma, most but not all of them align themselves with the earth’s magnetic field."
In this option, however, we can safely say that when basalt is in magma form then magnetite grains it consists can align themselves with the earth's magnetic field.
Statistics : Posted by Bobsled • on 18 Aug 2022, 07:30 • Replies 6 • Views 3177
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