The definition of a concubine is a woman who is a mistress to a man with a wife or who cannot be married to her because of a difference in social status. An example of a concubine is one of the mistresses of an important king who has many wives and mistresses. concubine. concubine.
How do you identify a tree species? It is known that mature, leafy trees, such as redwoods, aspens and oaks, are the best producers of oxygen. Additionally, it is known that a tree produces higher volumes when growing than when mature, because converting air and soil into wood causes the tree to produce more oxygen.
Wood represents the locking up of the Carbon. extracted from CO2 in order to release oxygen. So forests produce lots of wood, they must also produce lots of oxygen â which is true. Grass on the other hand produces no wood. Its carbon is turned into carbon products. such as sugars, starches and cellulose.