Homo ergaster may have been the first human species to leave Africa and fossil remains show this species had expanded its range into southern Eurasia by 1.75 million years ago. Their descendents, Homo erectus, then spread eastward and were established in South East Asia by at least 1.6 million years ago.Oct 30, 2015
5x-2=8 add 2 to both sides 5x=10 divide both sides by 5 x=2
Answer:
Some of the goods that are native to the Americas but were introduced in Europe are tobacco, tomatoes, potatoes, corn, Jerusalem artichokes...
Explanation:
The Americas were two continents that were not in touch with the rest of the world. This led to a situation where these two continents had an abundance of goods that were not known to people living outside of them. When the Europeans reached the Americas, among other things, they encountered a lot of these goods and immediately saw their potential.
Through the Columbian exchange, goods like tobacco, tomatoes, potatoes, corn, Jerusalem artichokes, all found their way toward Europe. Tobacco soon became the most used recreational plant The tomatoes, potatoes, and corn became integral parts of the European diet and helped massively in the elemination of famine. The Jerusalem artichoke was used by both humans and animals, as it was very easy to grow and highly productive.
Answer:
the pattern of the ages of rocks of the seafloor support the theory of plate tectonics because it tells us if the tectonic plates at the seafloor are spreading apart in a divergent boundary
The answer is B. Tsunamis. The underwater and above water volcanoes around the Ring of Fire erupt due to the high amount of tectonic activity, which causes the tsunamis.
