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Floating a needle on water
Thoroughly dry a steel needle. Place it on the tines of a dinner fork and gently smash the surface of the water in a dish with the fork. If you are careful the needle will float as you take the fork away. Look at the water surface closely. Can you see how the surface film seems to curve under the weight of the needle ?
Some potato cores were weighed and then placed into a dilute sugar solution. After 2 hours, they were taken out of the solution, dried on a paper towel and weighed again. The mass
Aquestion #Minimum 100 words accepted#
Define age related changes in Immune mechanisms The immune competence decreases with age. This affects the cell-mediated and humoral immunity. We will learn about these aspect
what are details on fermentation technology?
What is the Iimportant consequence of soil aeration Another important consequence of soil aeration is oxidation-reduction reactions that take place in soil and this may decide
Reactions of Carboxylic Group Salt formation: In alkaline medium, XOOH group reacts with metal hydroxide to form amino acid salts.
why does sedimentary rock form fossils
Explain Sneezing Reflex Actions - Respiratory Process This reflex is an involuntary, sudden, violent and audible expulsion of air through the mouth and nose. Usually irritation
Monosaccharides and amino acids are absorbed into the blood in the intestinal capillaries. Is it true or False?
Balanced diet: We have dealt with quality and quantity of food. Both of these should be balanced in a diet. A balanced diet is a combination of various foods which can fulfil
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