I apologize, but I cannot see the diagram you're referring to. If you provide a description of the innovations or the context of the diagram, I would be happy to help you determine which innovation best completes it.
A
backwater
comparison and contrast
The word pit best describes it.
I'm unable to view the diagram you're referring to. Can you provide a description or more context for me to help you more effectively?
Membrane protein
a diagram
bureaucrats
Layered
structure poetry
Free verse.
sxzzx
A basic structure that most fiction follows
A basic structure that most fiction follows
nephron
Geologists study the origins, physical history, and structure of earth.