It's had been built about since 1958.
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.
Answer:
OPTION D
Explanation:
IT OUTLINES THE COOPERATION BETWEEN COUNTRIES FOR SCIENTIFIC RESEARCH
B) ASEAN.
The Association of Southeast Asian Nations |
