Deleting my account : dwhich quotation is punctuated correctly?

according to dr. clemons, “keats demonstrated a keen sense of delivery”.
according to dr. clemons, “keats demonstrated a keen sense of delivery.”
“according to dr. clemons keats demonstrated a keen sense of delivery.”

Which question did the author of how to grow a school garden consider about the audience before writing the project plan

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.

What is the border between layers a through f and layer g called?