What should scientists consider when studying tree rings to understand the variations in the local climate? patterns in their width, their density, and their composition odor from the wood, patterns in their width, and their density their composition, odor from the wood, and patterns in their width their density, composition, and location

nvm wrong answer its not c I got it wrong :( so I think its A maybe

The answers A) patterns in their width, their density, and their composition

i think the miocene epoch spans the time from 23 million to 12 million years ago.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: