Answer:
most scientists believe that the first people of america were asians who traveled to the americas during the ice age. during the last part of the ice age, around 25,000 years ago, a bridge of land connected north america and asia. this allowed people, most likely from siberia, to migrate while chasing food like bison or mammoths. some of the first americans may have settled in the north while others moved further south.
Explanation:
i couldn't read part of the last paragraph but i hope the summary was correct
The answer in the two spaces provides are the following;
conditioned response is associated with an unconditioned response in which
explains that in order a conditioned response is to be triggered or activated,
it should be paired with an unconditioned response.
Islam spread through military conquest, trade, pilgrimage, and missionaries
The Yellowstone National Park is valuable to the US from many perspectives; protecting the environment, offering recreation, bringing in money from tourism etc.
Explanation:
The Yellowstone National Park is one of the most famous national parks in the world. The reason for that is that this national park has lot to offer; interesting physical features, geysers, beautiful forests, wildlife... This brings in lot of benefits with it.
The conservation of Yellowstone National Park is very important for conservation of the species living in it, as well as being very important for reintroduction of species that were extinct in the area, such as the wolf. Aesthetically it is beautiful, with all of its diversity in nature and land forms. From practical point of view, the people use it for relaxing, recreation, and it brings in lot of revenue from tourism.
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