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.
Caramelizing Onions Step-by-Step. Step 1: Slice. Slice root and top off onion; cut in half. Peel and slice. Use a large, heavy skillet so the onions are not crowded. Heat oil in the pan over medium heat; add the onions and stir to coat. Step 2: Stir. Cook onions, stirring occasionally from the bottom every 5 minutes.Once onions begin to brown, reduce heat.Continue cooking 20-30 minutes, stirring every 2-5 minutes until onions are golden-brown, adding more oil if needed. Step 3: Caramelize. When onions reach their desired color, remove from heat to stop cooking.ook onions, stirring occasionally from the bottom every 5 minutes. Once onions begin to brown, reduce heat. Continue cooking 20-30 minutes, stirring every 2-5 minutes until onions are golden-brown, adding more oil if needed. Step 3: Caramelize. When onions reach their desired color, remove from heat to stop cooking.