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Click here 4 science solution of STD 7 ch 18 polluted water story pollution is any unwilling disturbance of human or any other creature to the atmosphere......... there are many types of pollution  like air pollution,  water pollution, land pollution and radio active pollution noise pollution and now a new pollution which we face now a days is light pollution.. there are many unneeded lights all over................. here in this chapter story of polluted water is given....... we must drink pure water with needed impurities...... no one can live without drinking water for long time....... so if we pollute that important source of water then it is not negligible.......... water is a basic need of human kind and all other living orgasm sources of water are river, wells, check dams and other sources... we must not pollute this sources.. for that we have to take some precaution like we must not make our animals to bath in river and we also do not h...

Click here for solution of science STD 7 ch 17 forests; our lifeline forests are the life line of the entire man kind and human kind..... forests bring more rain as you get more rain you will not have an crisis of water... so forests are very important to us.... forests give us vegetables, fruits, and the hand hold things to be used in the society, so forests are more superior to the anything... forests take use of carbon dioxide in photo synthesis....... and give us more oxygen to breathe................ forests are the lifeline of animals also.... animals dependent on forests.... forests give them food and everything....... forests are rain bringer they give us wood from which you can make use of to make a good and wealthy life, in the forests stops the dilution of soil and its grow more and more different types of food....... forests are house of animals and humankind and all other living orgasms ............. forests make a soil fertile... trees in it stops rain...

Click here 4 science solution of STD 7 ch 16 water; an invaluable source .                                            water is a very valuable source for everybody on this earth ........ water is useful for drinking, bathing , cooking, industries.... and everywhere we can not live more time without water.. today water for drinking is very  costly because we can not use the sea water and we cant make sea water drinkable.........                                           water is not just a water the main important thing is pure water...... we must drink a pure water...... in every day routine life some times we throw water which is unused we should try to consume the water... harvesting and water fill are important.... s...

Click here 4 science solution of STD 7 ch 10 respiration in animates                                                          respiration is a process for which animates can breathe.... we all take oxygen from atmosphere and exhale carbon dioxide to the atmosphere....... animates like human animals and all other creature take a oxygen in the mouth and then goes inside the body give us breath and the carbon dioxide comes out from the body........ on the opposite side of this world  another conducting coil was wound and connected to the galvanometer when electric current is passed through the coil and connected to a battery it acts like a magnet and produce magnetic field lines...... respiration is a useful process and necessary process for animates...... 

Click here 4 Science solutionSTD 7 ch 15 light Here i have given solution of science ch 15 of STD 7 chapter name- light  here all questions given solved....... the main source of light is sun...... sun is a infinite source of energy.......  when light collapse on smooth surface and on rough surface there are two types of reflection according to their surface........ light is used in every field of light....... man has three basic need air, water and food  the forth one is light.........     for more solutions visit www.mashoor1234.blogspot.com DHAMS D MASHOOR

Science STD 7 ch 14 electric current and its effects An electric current is a flow of electrons through what electricity passes.......... by this chapter students can know about simple circuit they can be introduced to different electric instrument like wire, battery, bulb, switch etc.......... and they can know uses of different electric instruments....... there are two types of effects of current 1. thermal effects. 2. magnetic effects. there are two types of circuit 1.open circuit 2.closed circuit. there are thee types of objects 1. conductor 2. semi conductor 3. insulator here for std 7 all swapothee solution is given  For other solutions...... kindly visit....... www.mashoor1234.blogspot.com               ❀DHAMS❀                     ❀D❀             ❀MASHOOR❀ ...

Click here 4 STD 7 ch 13 motion and time in this chapter of ncert book science std 7 chapter 13 in this chapter students can understand what is motion and time... graph of motion and time types of motion and motion related to time we can also know about velocity acceleration and other things. here i have given all the answers of this chapter's questions......they can be aware of words like speed and time........ there are two types of motion 1.fast 2.slow  maths swapothee solution std 6 maths swapothee solution std 7 maths swapothee solution std 8 science swapothee solution std 6 science swapothee solution std 7 science swapothee solution std 8 unit test pat std 6 unit test pat std 7  unit test pat std 8 Henry Fischel was the First Person who  Invented Exams  and Imperial  Examination  was the First  Exam  Conducted in China. for other solutions kindly visit www.mashoor1234.blogs...

Click here 4 SCIENCE STD 7 ch 12 plant reproduction solution is a thing that if we got it we become more confident.... here i have tried to make all the teachers of gujarat to make more confident.... so i have found out and solved all the difficulties of this chapter which was frequently asked to me by different teachers..... so here is a reproductive system of plants ncert science std 7 ch 12 is given solved here by mashoor...... students can know different plants of tree  they can see how tree grows from seeds and how growing process goes on.................. For other solutions...... kindly visit....... www.mashoor1234.blogspot.com               ❀DHAMS❀                     ❀D❀             ❀MASHOOR❀    𝓓𝓗𝓐𝓜𝓢 𝓓 𝓜𝓐𝓢𝓗𝓞𝓞𝓡

click here 4 science std 7 ch 11 transportation in plants and animals  transportation in animals means transportation of blood, and many other things...... here above one image is given in which there is shown how the blood transport in  humans................ transportation in plants is as simple as in animals ................ here it does not transport not blood but it transport air........by root hair and soil particles..............from root,.................. here in this solution std 7 ch 11 all the answers are given For other solutions...... kindly visit....... www.mashoor1234.blogspot.com             D҉ H҉ A҉ M҉ S҉  D҉  M҉ A҉ S҉ H҉ O҉ O҉ R҉