I'm not sure about the first two but I think the one about the halite crystal is cubic. :)
The most likely result is that in such conditions would be the reduction in the number of animals, plants and fishes that were in water.
B. prokaryotes because they do not contain organelles or a nucleus. the following above in the question all are eukaryotic and contain organelles and a nucleus
During the process of ossification, an existing tissue is replaced by bone.
