9. Read the following statements - A) In sponges, exchange of Or with CO₂ оссин diffusion over their entire body surface. B) In earthwroom, gaseous transport tut in RBC, by simpl occurs with the hemo C) In most of aq, arthropodo gaseous exchange occur th D) Amphibians can respire through their moist skin but s have gills also. How many of the given statements is/are correct? a)Оnе b) Two () Three d) Four