how the waste of plats are usefull for humans
Answers
Human beings make use of no.of excreta ( waste products of metabolism ) here are few of them
● Oxygen is the most useful excreta of plants and is essential for life on earth
● Leaves and Barks of the plants also store waste products and are periodically shed off
● Tannin is a waste product of plants and is stored in leaves ans bark . tea leaves contains tannins and are used around the world to makipe tea.
● Certain essential oils are also generated as waste products by plants and also stored in leaves, which are used in food or fragrance
EXAMPLES :: basil,lemon,eucalyptus
● Some plants generate toxic waste products which are useful to human beings, caffeine and morphine are examples of such wastes are used in beverages , medicines etc.......
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