plants emit oxygen as a waste product
there are many useful trees such as dalbergia sisoo, tectona grandis,poplar, eucalyptus and plants such as acacia augustifolia.
woodfuel (coal, wood, charcoal)food (vegetables, fruit)drink (fruit juice)medicine (various)
The Flow of Energy Through Plants and Animals The energy flow through living organisms starts with sunlight and photosynthesis, then travels through the food chain in bite sized chunks. Primary...
allmans...justin allmans