Sammi studies the interaction of the digestive and circulatory systems in the human body. She listed various processes that occur in each of the systems. Put the processes in such a way as to describe the interaction between these two systems.

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d