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Photosynthesis:
Carbon dioxide + water + solar energy + minerals -> food + oxygen
Food made during photosynthesis may later be used for energy by the plant itself, or by an organism that consumes the plant. In an organism food is used up, with the release of its stored energy, by the process of respiration. Respiration requires oxygen, a& releases three products: energy (part of it is used for doing work, and the rest is not used and is given out as heat energy), carbon dioxide, and water - the starting products of photosynthesis!
Science in the post-renaissance period (1540- 1760): We have seen above that improved techniques as well as growing trade had led to great voyages to many lands. These were
How old is the earth Ans) The earth has only very freshly been accurately dated. Until astonishingly recently, the earth was thought to be anywhere among a few hundred thousand
Transport: River Valley civilisations were characterised by settlements along the rivers and growth of cities which needed, among.other things, stones and wood from distant
Moving water by reducing air pressure Secure two small bottles. Fill single about half full of water and close it with a single-hole stopper carrying a length of glass tube tha
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how do plates make there own food
#qDescribe the factors which decide the broad area of Scientific activityuestion..
The Twenty Point Programme and Communication : In view of what we have discussed above, it may be useful to have a look at the Twenty Point Programme (1986), which the Governme
Are there any interesting fish
Medicine: The other area, in which the Greek developments had a parallel in India, was medicine, although encouragement for this development in the two cases came from di
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