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
C. both a and b! :)
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the Egyptians began making Glass that is produced from a mixture of silica-sand, lime and soda. which is different from what we use to make glass making it different from others.
D. goods and services
are NOT a factor of production.
The four factors of production are land, labor, capital, and entrepreneurship.