Basalt, formed from magma, contains iron-rich minerals. why is basalt important?
a. iron is m...
Basalt, formed from magma, contains iron-rich minerals. why is basalt important?
a. iron is magnetic and it triggers the reversal of earth's magnetic field.
b. iron is rich in nutrients and makes the soil easily identifiable.
c. iron is magnetic and records the orientation and direction of earth's magnetic field.
Answers: 2
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Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c
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