Researchers and doctors hope stem cell studies can help to increase understanding of how diseases occur, and to better understand how diseases and conditions develop.
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Https://www.treehugger.com/sustainable-agriculture/5-ways-improve-global-food-security.html
Systematic observation, measurements and experiment and the formulation .testing.and modification of hypothesis
Answer:
Human nutrition is the process of which substances are Transformed into tissues and energy which are used up to mental and physical activities!
