Answer:
The solution slowly descends into the cave and deposits the dissolved calcium carbonate, sometimes including impurities of iron and other minerals. On reaching the cave, the water droplets fall to the floor, leaving behind a tiny deposit of calcite crystal.
Explanation:
B. To aid Eastern European countries. Since they were all war-torn in the 1920-1940, they all agreed that the country that damages the other must pay their debts that they created with war violence.