What kind of model relies on direct observation, measurement, and extensive data? an empirical model a mechanistic model a foundational model an optimization model

What is a society that has moved to the internet rather than relying on physical media called

The editing of digital photos us about the same level of difficulty as editing an analog photo

Need asap write a short paper describing the history and differences between six sigma, waterfall, agile, and scrum models. understanding these models can give you a good idea of how diverse and interesting it development projects can be. describe what the rationale for them is and describe their key features. describe the history behind their development. at least 400 words