A frog is an animal. Frog skin is permeable to oxygen and carbon dioxide. In which directions will there be a net diffusion of oxygen and carbon dioxide when a frog is swimming in pond water?
- Afrom the frog into the water: carbon dioxide; from the water into the frog: oxygen
- Bfrom the frog into the water: carbon dioxide and oxygen; from the water into the frog: no movement
- Cfrom the frog into the water: oxygen; from the water into the frog: carbon dioxide
- Dfrom the frog into the water: no movement; from the water into the frog: carbon dioxide and oxygen