¿Cómo el estudio del material genético nos identifica como seres únicos y diversos?

Who invented the tv .hint it was 2 people

What is the first step in creating a maintenance ?

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