The answer to your question is same. same stage.
Answer:
Cactus Hill site has human remains that have been dated to around 20,000 years ago. Given its location in Virginia shows that human beings had reached America earlier than this. This contradicts the theory that postulates humans came to America from Siberia through the modern day Bring Strait. The theory asserts that at the end of the Ice age humans were able to cross to America through the Beringia land bridge and other means such as canoes and rafts around 10,000 years ago.
Explanation:
Answer is: strata (<span>stratified sampling).
</span>Stratified sampling<span> is a method </span>when statistics use sample<span> from a </span><span>population.
</span>The strata must have two <span>characteristics</span><span>:
</span>1. mutually exclusive - all elements in the population must be appointed to only one stratum.<span>
2. </span>collectively exhaustive-no population element can be excluded from stratum.
Peter the Great, <span>ruled the </span>Tsardom of Russia<span> and later the </span>Russian Empire<span> from 7 May, 1682 until his death, jointly ruling before 1696 with his elder half-brother, </span>Ivan V<span>. Through a number of successful wars he expanded the Tsardom into a much larger empire that became a major European power.</span><span>
</span><span>He led a cultural revolution that replaced some of the traditionalist and medieval social and political systems with ones that were modern, scientific, westernized, and based on </span>The Enlightenment.<span> Peter's reforms made a lasting impact on Russia and many institutions of Russian government trace their origins to his reign.</span>