Complex sentence: Turbulence is commonly observed in everyday phenomena such as surf, fast flowing rivers, billowing storm clouds, or smoke from a chimney, and most fluid flows occurring in nature and created in engineering applications are turbulent.
Split into simpler sentences: Turbulence is commonly observed in everyday phenomena such as surf, fast flowing rivers, billowing storm clouds or smoke from a chimney. Most fluid flows occurring in nature and in engineering applications are turbulent.