Overall, environmental science is the field of science that studies the interactions of the physical, chemical, and biological components of the environment and also the relationships and effects of these components with the organisms in the environment.
1 Add onions to glass jars or a bowl. 2  Toast cinnamon, cloves and the red pepper flakes in a small saucepan over medium heat until fragrant, 3 to 5 minutes. 3  Whisk in vinegar, lime juice, a 1/4 cup of the sugar and salt. 4  Bring to a simmer and cook until sugar and salt have dissolved, 1 to 2 minutes.
Hide Images. 1  1. Heat oil in 10-inch skillet over medium-high heat. Cook onions and garlic in oil about 2 minutes, stirring occasionally, until onions are crisp-tender. 2  2. Stir in water, barbecue sauce, soy sauce and vegetables. Heat to boiling; remove from heat.