The answer for your question is D
The best and most correct answer among the choices provided by your question is the first choice or letter A. India was an example of an exploitation colony among the choices given.
<span>India was never a colony, but it was certainly exploited - by Moguls, Arabs and then by Great Britain. GB was colonized by Rome, but It didn't have much to exploit. When Australia was colonized, it didn't have much to exploit either. The colonization of America was as much political as it was economic because Britain was vying for power in the continent with France and Spain - both of whom had their American territory.</span>
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The answer in finding the age of a sedimentary rock layer through radiometric dating can be assumed <span>between the absolute ages of the two igneous units.
Sedimentary rocks don't have radioactive elements so the beast way to know the age is through understanding what can elements in between can provide as evidence</span>
