Which is true about vegetation in Africa? A. Tropical Savanna's have tall trees that grow close to one another. B. The most common vegetation in Africa is tropical savanna C. Most of Africa's tropical rain forests are located in North Africa. D. Most of Africa's land is covered by tropical rain forests

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less

What is a basic principle of the declaration of independence