Maternal mortality has since 1980, but is highest for .

decreased and Developing Countries

Explanation:

Maternal mortality has decreased since 1980, but is highest for developing countries.

I think as an improvement in providing health services resulting in maternal mortality drop and highest in developing countries because no proper health services available.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can