A. Silt is no longer carried down river.
The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
Your answer is “Ailsa Craig”
Answer:
Option: A. True
Explanation:
The Maya civilization covers regions that spread from northern Mexico southwards into Central America. The Maya stretched from modern-day southern Mexico through Guatemala, Honduras, and Belize. The culture is renowned for its massive pyramids, irrigation systems and agriculture, and symbols. Most of the ruins are still discover in the jungles of Mexico and Guatemala, which remain unknown since the colonial period in Mexico under the Spanish Empire. The civilization fizzled out between A.D. 800 and 1000 before the arrival of Spanish in Central America that led structures remain untouched in the jungle for centuries.
