Answer:
These atoms will decay as the rock ages, and by measuring the ratio of radioactive isotopes within the rock, scientists can figure out how long it has been around. In 1913, geologist Arthur Holmes published “the Age of the Earth,” the first major effort to date the planet using radiometric dating.
<span>Polls ask specific questions of a small number of people in order to provide
I thnkt the correct answer is option A, to provide a snapshot of the opinions of a much larger population.
who is considered to be the founder of modern public opinion polling?
The answer would be option C, george gallup.
Have a nice day.</span>
Answer: it's because they tried to eliminate difference in the efforts to create a homogeneous mythologized unitary polity
Explanation:
-people wanted to move because they wanted better lives. they faced dangerous journeys .
-they moved west because land was cheap or free and they thought they would do better business in the west .
-people who weren't making business or wasn't making any money, found the opportunities to move west to start everything all over again
