The contest "man", is defined as a male human.
However, man is variably a distinct being from any other life being on earth.
Man has passed through various stage which are:
1.Stone Age
2.Mesolithic stage(Middle stone age)
3.Neolithic stage(New stone age)
•STONE AGE: This is extremely primitive or undeveloped era. A broad period during which humans widely used stone for tool making. E g bow, spear and arrows.
•MESOLITHIC ERA: This era, otherwise known as middle stone age. These period lasted between 10,000 and 3,000 BC.
•NEOLITHIC PERIOD: Related to the new stone age, this age is circumvent with new development.
TEMPERATURE DIFFERENCE
All the stages passed by man, he experienced adverse temperature difference.
Temperature has served man through out the century and ages.
Temperature Defined?
Temperature is defined as the degree of how cold or hot a body is.
Therefore, knowing that the ideal room temperature=32°c and normal room temperature=29°c. Every human being is not suppose to live above these temperature or below them.
Benefit of Temperature
1.Ability to survive, in either cold or hot environment.
2.The ability to differentiate between cold or hot.
3.Increase in hot temperature helps us to cook or boil our food. Helps in digestion of raw materials in industry.
4.Temperature helps in preservation of foods and medical specimens.
5.Temperature helps with the growth of plants and animal.
"Temperature Rise is adequate and Temperature low is adequate"DJC
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