In The Idea Equation video, Match the trend in Research & Development (R&D) spending with its corresponding description: Prompt 1Decrease in overall spending Prompt 2Concentration among fewer nations Prompt 3Shift towards emerging economies A significant decrease in global R&D expenditure. As late as 1990, just seven nations accounted for 92% of the world's spending on R&D, but today, those same nations account for only 56%. Emerging economies like China, Korea, and Brazil are contributing increasingly to global R&D spending