Lack of vitamin D or barley any calcium in the bones.
A reaction to something that has happened and affected the body as it was trying to prevent the action
I would say the answer is B.) There is data at this digit's location, although I have to admit I am not completely sure, nor really educated in this area. Sorry I couldn't be of more help. :)
It will rain next. The moist air has lots of gas water. And when the warm gas water meets the cool temperature in the atmosphere, it will become liquid water. And when liquid water becomes more and more, it will form rain.