An ecosystem consists of the living and nonliving things in an area ________ interact with one another.
#76485
A
that
B
where
C
who
D
what
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She is the only one of the persons ________ from the mistakes.
#78522
A
whom I know have learned
B
whom I know has learned
C
I know who has learned
D
I know who have learned
You can take any seat _______ is free.
#76339
A
which
B
where
C
in which
D
that