The Mayan and other Mesoamerican cultures used a vigesimal number system based on base 20 (and, to some extent, base 5), probably originally developed from counting on fingers and toes. The numerals consisted of only three symbols: zero, represented as a shell shape; one, a dot; and five, a bar.
Les systèmes fluviaux et les plaines inondables du Brésil, du Pérou, de l'Équateur, de la Colombie et du Venezuela, dont les eaux se déversent dans la Solimões et ses affluents, sont appelés "la haute Amazonie
A federal republic<span> is a federation of states with a republican form of government.</span>
Answer:
Quebec in eastern Canada
Explanation:
The number of cases of coronavirus is increasing day by day in Canada. Most of those deaths are in Quebec in eastern Canada. Despite the increase in numbers in Quebec, children were asked to return to classrooms while taking the following precautions.
1. Each class should have a maximum of 15 students.
2. Desks were to be kept at some distance.
Also, schools took several measures to ensure physical and social distancing.
