In an experiment, you used a solvent to extract fat from hamburger meat. When you are finished in the experiment, then you should put the solvent and the fat into waste containers that are specific for the solvent used in the experiment. You cannot just throw them into the sink as it may pollute and cause unwanted effect on bodies of water. Also, you cannot throw it together with other wastes as you do not know the reaction that would happen with it with the other wastes.
The answer would be that light can be reflected or refracted
It is mostly for the protection of individual rights
he United States actively supported the Iraqi war effort by supplying the Iraqis with billions of dollars of credits, by providing U.S. military intelligence and advice to the Iraqis, and by closely monitoring third country arms sales to Iraq to make sure that Iraq had the military weaponry required.
