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Sterilizing water by boiling
The presence of tiny living plants and animals makes water inappropriate for drinking. Such forms of life can only be seen by a microscope. We can study how boiling affects living things in a easy way. 'White of egg is known to be chemically very same to the substance that makes up the bodies of living bacteria.
Procedure : A mock fire may be created by spilling a flammable liquid like alcohol, petrol etc. and lighting it at a safe place away from the equipments and working benches. Th
Explain the Ventricular Fibrillation This is a fatal condition in which the heart beats like a bag of worms and the patient may die in a couple of hours, if the action is not t
Lifting the water surface Bend the pointed end of a pin or use a piece of fine wire to make a hook. File the point of the hook unless it is very sharp. Put your eye on a level
Explain maintaining the pH Balance You must be aware of the term pH. PH we know provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 i
Define Nutrition To common man, the word 'Nutrition' implies food. Food is essential for growth and development. Physiology becomes an interlink between nutrition and healthy h
Question 1. What do you mean by suffix? Write the types of suffix giving two examples for each type. 2. Punctuate the following: If youre able to appeal to listeners and
#question.find the specific gravity of blood lymph and water.?
Define the Prolactin Prolactin is synthesized in lactotroph cells of anterior pituitary gland during pregnancy and during the entire period of milk production after the birth o
Lifting things with compressed air Remove the bladder from a soccer ball or basket ball and place it on a table. Pile some books on the bladder and then blow into it.
List any three human activities that you think would lead to air pollution. The following three human activities would lead to air pollution: (i) Burning of fossil fuels such
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