You have researched how to become an american citizen. the first web site has great information. what do you need to do next? a. copy and paste the information to a separate sheet, then begin writing the research paper b. email the author or webmaster to ask permission to use the information c. check other web sites to verify the accuracy of the information d. decide not use the information because, even though it has a .gov domain, it does not list an author

The correct answer is C) check other web sites to verify the accuracy of the information.

You have researched how to become an American citizen. The first web site has great information. Next, you need to check other web sites to verify the accuracy of the information. You better check the official website of the government of the United State because there you can find the exact information you need to apply for citizenship. It is usa gov dot com. The first thing they are going to ask is to have your Permanent Resident Card, better known as the Green Card.

answer:   migrations were important in the neolithic period. "two major migrations passing through southeastern europe were confirmed by the means of archaeo-genetic studies."

the first migration was the early neolithic period -- 6,000 before common era (bce) -- when the first farmers, from anatolia -- asia minor -- spread through europe. the second migration occurred during the early bronze age (3,000-2,500 bce) when the so-called "steppe population," from the eurasian steppe, replaced much of northern europe's previous population.

the first farmers of northern and western europe passed through southeastern europe with limited hunter-gatherer genetic admixture, which occurs when two or more previously isolated populations begin interbreeding. however, some groups that remained mixed extensively -- without the male-biased, hunter-gatherer admixture that prevailed later in the north and west, according to latest discoveries. southeastern europe continued to be a nexus between east and west, with intermittent genetic contact with the steppe people up to 2,000 years before the migrations that replaced much of northern europe's population.

"in some places, hunter-gatherers and incoming farmers seem to have mixed very quickly," says iain mathieson, a geneticist at the university of pennsylvania, who was first author of the paper. "but, mostly, the two groups remained isolated, at least for the first few hundred years. these hunter-gatherers had been living there for thousands of years, and it must have been quite a shock to have these new people show up -- with a completely different lifestyle and appearance."