What do all the points connected by a contour line have in common?

I need help on this one too

The points connected by a contour line are equal in elevation

Rnabothrnabothdnadnaboth

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.