Question: 2 Write the formulae of the following:
i) Mercurous oxide
ii) Stannic bromide
iii) Ammonium acetate
iv) Potassium permanganate
v) Aluminium nitride
Show crisscross method of the above and answer​

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