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Olympiad-Science
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Class 4
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Q)
Which of the following mammals lay eggs?
a
)
G
o
r
i
l
l
a
b
)
d
u
c
k
−
b
i
l
l
e
d
p
l
a
t
y
p
u
s
c
)
G
o
l
d
f
i
s
h
d
)
s
n
a
k
e
s
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