<span>At some point in their lives all chordates have a flexible supporting rod in their backs called a </span>notochord.
Answer:
The spread of Islam help increase literacy among the populations in the kingdoms of West and Central Africa as converts to Islam were required to read and study from the Qur'an, and Muslim mosques became centres of learning and intellectual libraries for those of the faith.
Their argument was based around a budget.
Mexico is a land of extremes, with high mountains and deep canyons in the center of the country, sweeping deserts in the north, and dense rain forests in the south and east. Mountains cover much of Mexico. Mexico has a mixed economy, which means that it is made up of both privately-owned and state-owned companies. The government also regulates economic activity. Mexico is known for their long stretches of virgin beaches, numerous white sands, and beautiful coastal resorts. Mexico stands out when compared with other countries of the world in many aspects. These include but as not limited to inventors, celebrities, cultural events, cuisine and drinks! But Mexico does face some problems. The problems include torture, extrajudicial killings and summary executions, police repression, sexual murder, and, more recently, news reporter assassinations. The Human Rights Watch reports that Mexican security forces have enforced widespread disappearances since 2006. Mexico belongs geographically to North-America, ethnological it belongs to Latin America. Mexico is the most populous Spanish-speaking country in the world.