Why do the holes at the top of parachutes make it go slower

Choose the best explanation for the following statement communication is symbolic

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

Which operating system is a version of linux?