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.
Directions. 1  Pare and seed the chayote. 2  Cut lengthwise into 1/2-inch thick slices. 3  Cut onions lengthwise into halves. 4  Cut halves lengthwise into 1/4-inch slices and separate into slivers. 5  Add onions and oregano; saute sautÃ© over-medium low heat until onions are (golden-8 l0). 6  Minutes add salt and.  pepper