Designated country of arrival is singapore because changi international airport is in singapore
Try https://www.sciencedaily.com/terms/water_pollution.htm or https://www.britannica.com/science/water-pollution
"Mass" is the one quantity that you would want to measure in kilograms. On the other hand, weight of an object is measured in Newton. There is definitely a relation between kilogram and Newton. On our planet earth, 1 kilogram is equal to 9.8 Newtons. I hope that this is the answer that has come to your help.
