The northern states, or the Union states.
The correct answer is option d, that is, glaciers and icecaps.
Though the amount of water present in the glaciers and the ice caps is a small ratio in comparison to the total water found in and on the Earth, it demonstrates a huge ratio of the world's entire freshwater.
On the basis of the data, about 1.7 percent of all the water found on Earth is locked up in snow and ice, however, the majority of the entire freshwater on the planet, that is, about 68 percent is captivated in glaciers and ice caps.
a) none of the above, as they can all be infected by viruses.
