Which one of the following is a physical property of oxygen? o molecular axygen condenses at 90.2 k oit is the 3rd most abundant element in the universe by mass o it is composed of three stable isotopes o it axidizes carbohydrates into carbon diaxide and water.

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.

What are several ways to reduce the effect of friction