तेजी से बदलते तीव्र अधिगम परिवेश में, कौन सा कौशल तेजी से बड़ी संख्या में विचारों को उत्पन्न करने की क्षमता को संदर्भित करता है?

The approach of combining multiple methods, data sources, or investigators in the study of the same sociological or scientific research phenomenon is known as:

Given below are two statements: Statement (I): The near-complete absence of fluoride in drinking water causes tooth decay. Statement (II): Excessive concentrations of fluoride in drinking water cause mottling of teeth, also known as dental fluorosis. In the light of the above statements, choose the most appropriate answer from the options given below: