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.
Heat some oil in a large wok or pan add onions. Cook the onions for ten minutes until they soften. Do not brown the onions you want them to soften only. Add 1/2 tsp turmeric, 1/2 tsp cumin, 1/2 tsp coriander, 1/2 tsp chilli powder and 1/2 tsp ginger powder to the pan., stir well then turn off the heat.Add the cooked onions to a bowl containing all of the other dry ingredients. Mix well.Mix together tomato puree and water.Add to the bowl of onions and mix well.dd 1/2 tsp turmeric, 1/2 tsp cumin, 1/2 tsp coriander, 1/2 tsp chilli powder and 1/2 tsp ginger powder to the pan., stir well then turn off the heat. Add the cooked onions to a bowl containing all of the other dry ingredients. Mix well. Mix together tomato puree and water. Add to the bowl of onions and mix well.