The diagram shows a leaf viewed in cross-section under a microscope. Which tissues are 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