They created the number system and discovered that the earth was round by studying eclipses.
Hope this helps.
Answer: Effusive eruptions occur when hot, (12000C) runny basalt magma reach the surface. Dissolved gases escape easily as the magma erupts, forming lava that flows downhill quite easily. Effusive eruptions build up gently-sloping Shield Volcanoes like Hawaii.
Explanation:
Answer: I think its b. Buy land. I learned about this couple of months ago and it was b. buy land. I might be wrong and if I am please forgive me.
Explanation:
Ralph Waldo Emerson(1803-1882), wrote the "<em>Young America</em>" essay in 1844.
An American poet and intellectual, Emerson established a series of concepts in his lecture <em>Young America</em>, before the Mercantile Library Asociation in February 1844.
He stated that Americans were having the duties one country(America) and the cultural influence of another(Great Britain). That is why the nation should consider education and commerce as a mean to unification and prosperity.
He was convinced that trade was the door to open commerce and growth for America. Through this activity, the Young America would build the bases of modernity for the next generation and the prosperity of the country
