The answer should be, B- digestive system hope this helps
Negative effects of Vitamin k are-
1)Muscle stiffness
2)Less movement/activity
3)Difficulty in breathing
4)Paleness
5)Yellow eyes/skin
A n environmental stressor could be;
the weather, too hot, say a heatwave, which can cause heat stroke, dehydration etc, or too cold, where vulnerable people may freeze to death, or develop frost bite etc.
So, some characteristic part of where we live which may, under certain conditions cause difficulty for us or some other living being.
C because that it was controls the feelings your body has
