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 sliced onions to a medium bowl. 2  Pour enough boiling water over onions so that they are covered. 3  Count to 10 then drain. 4  Add onions to glass jars or a bowl. 5  Toast cinnamon, cloves and the red pepper flakes in a small saucepan over medium heat until fragrant, 3 to 5 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  Heat butter and oil in a skillet over medium heat until foam subsides.