asked 37.3k views
1 vote
A fit persons heart works more efficiently by pumping,

blood with
beats. *
A. more, more
B. more; fewer
C. less; more
D. less; fewer

asked
User Merichle
by
8.0k points

1 Answer

3 votes
a more, more because it needs to be efficient
answered
User Jan Berkel
by
8.3k points
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