BiologyWhich among the following have open circulatory system?(i) Arthropoda(ii) Mollusca(iii) Annelida(iv) Coelenterata

Which among the following have open circulatory system?
(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata

A
(i) and (ii)
B
(iii) and (iv)
C
(i) and (iii)
D
(ii) and (iv)

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