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 Saute Onions. In a large skillet or pan heat cooking oil or butter over medium-high heat until hot. Use about 1 tablespoon fat per onion. Add chopped or sliced onions and cook for 5 to 7 minutes or until tender, stirring frequently with a wooden spoon or heatproof spatula.n a cutting surface, use a chef's knife to slice off the stem and root ends. Remove the papery outer skins and cut the onion in half from the top end to the root end. To Chop: Place each onion half, flat side down, on the cutting surface and make side-by-side vertical slices from stem end to root end.