Why did large numbers of Africans migrate to the Americas? A. Countries competed over resources during the Age of Exploration, a
nd many African explorers sailed to the New World in search of riches. B. Large numbers of Africans were forcibly taken to the Americas during the slave trade. C. Large numbers of Africans came to the Americas to find employment and to work on the railroads. D. Africans crossed the land bridge from Asia to Alaska during the Ice Age. Please select the best answer from the choices provided. A B C D
Index fossils, intrustions and cross-cutting relationships.
Explanation:
The correct list of three different geologic features that help scientists determine the relative ages of rocks by their position is "index fossils, intrusions, and cross-cutting relationships".
