For the metamorphosis of tadpoles which of the following element must be available in water? a) carbon b)Chlorine c)Sulphur d)iodine

For the metamorphosis of tadpoles which of the following element must be available in water?
a) carbon b)Chlorine c)Sulphur d)iodine
by

1 Answer

Answer :

d)iodine
by

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