How did nature help humans understand that how to grow crops
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when the early mans eat fruit or vegetables they throw their seeds or remaining parts on lands.after some time they noticed that plant grown from the seed and it becomes a tree.then they do this by different seeds they have noticed the same that the tree had grown. Then they try to grow crops in open fields
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Plants maintain the atmosphere. They produce oxygen and absorb carbon dioxide during photosynthesis. Oxygen is essential for cellular respiration for all aerobic organisms. ... Plants provide many products for human use, such as firewood, timber, fibers, medicines, dyes, pesticides, oils, and rubber.
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