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.
pearl onion Notes: These tiny onions are sweet and mild. About one inch in diameter, they're often pickled or creamed. Substitutes: boiling onion (larger) OR cippolini onion. red onion Notes: These are sweet enough to eat raw, and they're often used to add color to salads.