Which sentence uses the underlined word correctly?
a.
the geese in the river swam together between the cattails.
b.
the geese in the river swam together among the cattails.

B. is your answer because a is not appropriate

Texas’ gulf coastal plains are the western extension of the coastal plain extending from the atlantic ocean to beyond the rio grande. its characteristic rolling to hilly surface covered with a heavy growth of pine and hardwoods extends into east texas. in the increasingly arid west, however, its forests become secondary in nature, consisting largely of post oaks and, farther west, prairies and brushlands.