Answer:
La vida, después de originarse en el arqueano, estuvo representada por microorganismos y organismos pluricelulares que carecían de esqueletos, por lo que las evidencias de fósiles son escasas. El eón restante se denomina fanerozoico y se subdivide en tres eras: paleozoica, mesozoica y cenozoica.
Explanation:
Islamic scholars expertly gathered data and ordered it so that people could easily understand and reference information through various texts. They also summarized many Greek and Roman writings, compiling encyclopedias. Rather than being a subject in its own right, medicine was part of medieval Islamic culture.
Answer: In South America, early civilizations developed along the coast because the high Andes and the inhospitable Amazon Basin made the interior of the continent less favorable for settlement.
Explanation:
While Congress had the right to regulate all forms of American currency, the Articles failed to call for a singular form of currency. This meant that the national government could print money, but each state could as well. Consequently, America had no uniform system of currency which made trade between the states, and with foreign entities, much more difficult and less efficient.
Geographical Spread. Islam spread from the Middle East to take hold across North Africa during the second half of the 7th century CE when the Umayyad Caliphate (661-750 CE) of Damascus conquered that area by military force
