Air pressure can be high or low. does air flow from low to high pressure or from high to low pressure?

High to low pressure im very positive it is the right answer 

The answer is c) tons

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.