A stick partly submerged obliquely in water appears to be bent at a point where it enters the water surface. Which one of the following gives explanation for this observation?.

Iknow this isn't a question, but is there someway to ask a question under public safety or is there no category for it? i don't know if i'm overlooking it or not.

What undergraduate degree can a student earn at a four-year college (not specific to a field of study)?

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present