I think that the plains, because the temp. is the same all around, cuz its flat... the mountains get cold at the top
From the 118 known elements, 25 elements are believed to be essential to human biology.
Out of 25 elements , 6 elements namely – carbon, oxygen, hydrogen, nitrogen, calcium and phosphorus , they make up about 99% of the human body. Some other elements like - potassium, sulfur, sodium, chlorine, and magnesium, they are also found in the human biology.
Answer: due to insufficient exocytosis in the type II alveolar cells
