Describe what factors keep a population total stable and low

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

What distinguishes monsoon asia from the remainder of asia? what are the consequent differences between the two?