The Gauss interval (or chron) of Earth's magnetic history spans about __________ million years and consists of __________.
A) 1.0; normally magnetized rocks only
B) 1.0; mainly normally magnetized rocks but with a brief interval of reversed magnetization near the middle of the interval
C) 0.3; reversely magnetized rocks only
D) 0.3; mainly reversely magnetized rocks but with a brief interval of normal magnetization near the middle of the interval
Correct Answer:
Verified
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