What is the fusion between livestock and agriculture called?

Ahill is made of rock particles of different sizes. which of these agents of erosion probably caused the hill to form?

The 5th term in a series of even number that begin 3x

Which ecosystem best fits the characteristics listed below? which ecosystem best fits the characteristics listed below? ii. seasonal migrations of millions of wildebeests, zebras, and elephants iii. large numbers of predators, such as lions iv. acacia trees and grasses a. the congo rainforest b. the african mangroves c. the serengeti grasslands d. the sahel