For language, there is a level of organization of "sounds < grammar < meaning." In the sense that stone tool-making is similar to language, what is the equivalent level of organization for stone tool- making? O basic actions < combining actions < tool's intended purpose O combining actions < tool's intended purpose < basic actions O tool's intended purpose < basic actions < combining actions O basic actions < tool's intended purpose < combining actions D Question 4 2 pts Smartphones and other information-processing devices open up new possibilities to us. We have suddenly adopted countless new skills and are becoming better and better at them. It is likely that our culture and perhaps even our biology will continue to adapt to these technologies. This situation describes... O an adaptive threshold. O the learning sciences. O "WEIRD" psychological research. O language and action.