The Following 6 QUESTIONS REFER TO THIS DIAGRAM. Which rock unit is the oldest Z

Question

The Following 6 QUESTIONS REFER TO THIS DIAGRAM. Which rock unit is the oldest Z X B W Which of these igneous intrusions is the oldest Z X Y W Although Lord Kelvin's estimate of the age of the Earth was too brief for the prevailing geological findings and principles of the time, why was his range of dates not challenged by geologists (Geologists did not want to speak out against Lord Kelvin because of the ongoing conflicts between science and religion. Most geological theories could be made to fit Lord Kelvin's time line. His findings were based on solid mathematical principles and used the most up to date geological (and physics) findings of the time. No one could dispute the math. Lord Kelvin was not a geologist and his report on the age of the Earth was considered irrelevant in the Earth Sciences.

Explanation / Answer

19. B

24. Z

25. most geologists were too intimidated by Kelvin's stature to defend themselves and  Kelvin derived his estimate from quantitative and repeatable measurements, physical principles of natural laws, and elegant math

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