Question a-stan
3.1 Boundaries - Comma with coordinating conjunctions
0:00
A standard Argo float, a type of autonomous robot, measures temperature and salinity in the upper regions of ice-free oceans. More advanced floats can measure a wider range of blank and monitor seasonal ice zones.
Which choice completes the text so that it conforms to the conventions of Standard English?
A.
variables: travel to greater depths
B.
variables, travel to greater depths,
C.
variables travel to greater depths,
D.
variables, travel to greater depths;