China has invested heavily in turbine manufacturing and in 2009 had become the world's largest wind power market. The investment in turbine manufacturing is an example of ________ investment.

A) intangible capital
B) human capital
C) tangible capital
D) social capital

Turbine Manufacturing

The production process of turbines, which are rotary mechanical devices that extract energy from a fluid flow and convert it into useful work.

Tangible Capital

Physical assets possessed by a company that are used in its operations, such as machinery, buildings, and equipment.

Wind Power

The conversion of wind energy into a usable form of power, typically electricity, using wind turbines.