We need energy to do our daily works.We get this energy from the food that we eat.When we eat ,teeth help in breaking the food into pieces ,and then in our digestive system,the pulp passes through the stomach and intestines.The useful digested food passes through the intestine into the blood,to liver,and the waste products are pushed out of the body. That useful digested food is converted into energy that help us in working.All kinds of food help in giving energy to the body.Balanced diet play a very important role in giving an appropriate amount of energy to the body.A Balanced diet is that which include a sufficient amount of all necessary nutrients like carbohydrate,protein,Minerals,water, fats etc.90% of our energy comes from fossil fuels.The main source of energy is the sun ,Plant make their food with the help of the sunlight.
INDUSTRIAL REVOLUTION Starts in Europe particularly in England in eighteen century.It changed the whole of Europe and England 's economy.During this period New machines are invented in England to speed up the spinning of wool and cotton .At first they were powered by water wheels but later steam engines are developed.Iron become cheaper and stronger as Iron making techniques improved.Canals are dug to carry coal from the mines and to transport finished goods.After ...
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