How many grams of Br2 is needed to produce 70 grams of I2?

Two things that biomedical has invented or innovated

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?