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Friday, May 4, 2012
Amphibians can use which of the following for gas exchange? a. gills b. lungs c. skin d. gills and lungs e. all of the choices
Amphibians can use which of the following for gas exchange?
a.
gills
b.
lungs
c.
skin
d.
gills and lungs
e.
all of the choices
Ans:
all of the choices
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