Desmos Graphing Calculator

Copy

Verbal·Standard English Conventions·Boundaries

hard

The Huseby Klev archaeological site in Sweden was exceptionally well-preserved beneath a layer of clay, which sealed artifacts into what scientists describe as a natural geological time capsule. As a result,        and his colleagues were able to extract and analyze DNA from chewed tree resin dating back nearly 10,000 years.

Which choice completes the text so that it conforms to the conventions of Standard English?

A

paleogeneticist Emrah Knrdök

B

paleogeneticist, Emrah Knrdök

C

paleogeneticist, Emrah Knrdök,

D

paleogeneticist Emrah Knrdök,