Answer:
Africa had several advanced civilizations during the Middle Ages. The kingdom of Zimbabwe, founded by the Shona people, was the largest kingdom in southern Africa. The people of this kingdom built a grand stone palace with gigantic walls. Timbuktu, a city in the kingdom of Mali, was a center of Islamic scholarship. The people of these kingdoms traveled across the Sahara to conduct trade. They traded with countries as far away as India and China.
Explanation:
Answer for Plato!
In the 19th and early 20th centuries, one room schoolhouses were the norm in rural areas. A single teacher taught grades one through eight<span> together. The youngest students—called Abecedarians, because they would learn their </span>ABCs<span>—sat in the front, while the oldest sat in the back. The room was heated by a single wood stove.</span>
<span>Burning fuel in factories releases acid pollutants. When they mix with moisture, the pollutants fall to Earth in the form of acid rain.</span>