The Principle of Cross-Cutting tells us that a fault must be older than the rock it cuts. Cross-cutting in geology was formulated by Nicolas Steno, a Danish geologist in the mid-1600's. It is usually used in combination with radiometric age dating, which can tell the geologist how old the rock is.
They crossed Lands, went by boat going around Asia and into the Mediterranean Sea
ANSWER: "whistleblower" .
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B overstepping its authority