There are two different chemical pathways in photosynthesis, known as C3 and C4. The former is common while the latter, which occurs mainly in a few tropical plants is rather rare. However, C4 photosynthesis is much more efficient and is responsible for the high yields of crops such as sugarcane, cassava, and maize. Cabbage
See: Brassica oleracea. Cabernet Sauvignon
The principal grape cultivar of Bordeaux, France, producing the red wine known as claret in England. See Vitis vinifera.
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