Water is unusual because it expands as it freezes. very few substances have this property. the reason liquid water is more dense then ice can be best explained by?

It can be explained by its surface tension.

Ibelieve the answer is c. 

Determine the cause of death for anna garcia

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows:

there would be some predate medical situations.there would be a report about the cause that why she was there for backache from the hospital.there would be a report about what she injected in her thigh that she suffered from backache.