Maya used place value and zero in mathematics.
The Maya civilization was a Mesoamerican civilization developed by the Maya peoples, and prominent for its logosyllabic script, the most sophisticated and highly developed writing system in pre-Columbian Americas, along with its art, architecture, mathematics, calendar, and astronomical system. The Maya civilization developed in an area that comprised southeastern Mexico, all of Guatemala and Belize, and the western portions of Honduras and El Salvador.
Technically speaking, it would be "family" that represents a social group that exists in all known cultures, since families are generally crucial for the survival of the individual.
Answer:
Presidents John Adams and Thomas Jefferson both died on July 4, 1826, while President James Monroe died on the Fourth of July exactly five years later.
Explanation:
On July 4, 1826, America celebrated 50 years of independence as, just a few hours apart, two of its Presidents took their final breaths. At the time of his death, Thomas Jefferson was 83, while John Adams had turned 90 the year before.
