Describe the impact of the columbian exchange on the environment, both in the americas and afro-eurasia.

Which of the following is an advantage of pure capitalism

During the decline of the harappan civilization, which group came to power in the indus valley

Which of the following characterize the historical move toward urbanization? i. increase in pollution ii. increase in frequency of natural disasters iii. increase in incidence of infectious disease a. i b. ii c. i and ii d. i and iii e. i, ii and iii