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.
How to Slice Green Onions. Using a chef's knife, cut the trimmed green onions crosswise into slices. 1  For garnishes, salads, salsas, and other recipes in which the onion will not be cooked, cut into thin slices, about 1/8 thick.  For stir-fries, cut the green onions into 1-inch pieces.