4x The BEST explanation of why there will always be scarcity is because A people and their tools are inefficient. B natural disasters create frequent shortages x C governments create scarcity to keep people wanting more. 4x D while what people want is unlimited, resources are limited.

## Step1: Identify the core concept of scarcity<br />### Scarcity arises because human wants are unlimited, but resources to satisfy these wants are limited.<br />## Step2: Evaluate each option against the core concept<br />### A. Inefficiency is not the root cause of scarcity; it affects productivity but not the fundamental issue of limited resources.<br />### B. Natural disasters can create temporary shortages but do not explain the perpetual nature of scarcity.<br />### C. Government actions may influence resource distribution but do not create the inherent condition of scarcity.<br />### D. This option correctly identifies that scarcity exists because human desires are infinite while resources are finite.<br />## Step3: Select the most accurate explanation<br />### Option D aligns perfectly with the economic definition of scarcity.<br /><br />#