The diagram illustrates part of a leaf cross-section. What are tissues 1, 2 and 3?
- A1 epidermis; 2 palisade mesophyll; 3 spongy mesophyll
- B1 epidermis; 2 spongy mesophyll; 3 palisade mesophyll
- C1 palisade mesophyll; 2 epidermis; 3 spongy mesophyll
- D1 spongy mesophyll; 2 palisade mesophyll; 3 epidermis