Benjamin Franklin took a great interest in health-related topics by applying Enlightenment reasoning to his study of various afflictions and came up with some astonishingly accurate hypotheses. Benjamin Franklin insights and productivity was in medicine where he saw the value in vaccination against smallpox and was aware of the placebo effect. He launched the first American medical school and devised a flexible urethral catheter. He also identified lead poisoning as a cause of abdominal pain and peripheral neuropathy. He further accurately described psoriasis well before Robert Willan. These contributions by Benjamin Franklin in healthcare may be said to be significant and satisfactory.
Answer:
The type of fire arm you are using. For example, when using a pistol (hand gun) your target need to be closer than shooting a rifle. A hand guns range is only about 10-15 yards. Where as the rifle is about 100-109 yards.
Herbert Spencer described human society as a complex system having much in common with the human body.
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Herbert Spencer believed that the way the human body evolved to be the way it is in today's date, is the same way the society evolves. He referred to the process of biological evolution to explain social evolution.
He proposed that as the Darwin theory elaborates on how the development of living organisms started from a simple unicellular organism turning into a multi-cellular organism, the evolution of the society started from individuals simply coming to live together.
