Effects of Photochemical Smog. Photochemical smog's effects cause damage to the respiratory system and environmental systems with the release of nitrogen oxide (NO), ozone and volatile organic compounds (VOCs). These effects are worse when the sun is highest because the pollutants react with it.
This cut is called a flank steak because it literally comes from the flank of the cow â its side, below the ribs. It's a fairly wide and thin cut; it's only 1 to 1 1/2 inches at its thickest and it becomes even thinner toward one end.
wikiHow to Grill Flank Steak. Flank steak is a flavorful cut of meat taken from the flank (lower abdominal region) of the cow. In the hands of a budget-minded cook, flank steak can be a delicious yet affordable alternative to pricier cuts of beef like prime rib and other steak varieties (T-bone, ribeye, etc.).