Science & Mathematics Questions and Answers

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  • Physics Problem -- Electricity and Circuits?
  • Physics question on sceince paper please help!?
  • physiology question?
  • Pipeline colour marking?
  • places to shine a uv light?
  • Planet Pluto?
  • plastic squalor: why do young people not hate their neighbourhood being turned into a dump?
  • Plastic: Is there an alternative material that can be used to replace plastic (a bio-degradable material?)?
  • Playing with my dogs, I throw a 6 sq: hardboard. I hold it between thumb & forefinger and it circles around
  • Please add 1 as an experiment ..?
  • Please answer this question asap?
  • please can anyone here convert 70square meter into feet.?
  • Please can some one explain to me how Shape memory alloys work in quite simple terms?
  • Please can some one give me four structures in the thoratic cavity?
  • please can someone tell me what the simulation mean in electricity?
  • please can you help me find the formula and the 9 th term for sequence's involving decimal's?
  • please can you help me with my civil engineering homework?
  • please could someone tell me what a lambodopter is?
  • please describe 'precious metals'?
  • Please explain dehydrogenation.?
  • Please explain double negative mathematics?
  • please give me 5 questions with and answer for problem solving : investigate all possibilities?
  • please help me simplify this formula, step by step?
  • PLEASE help me with algebra!?
  • please help me with organic and inorganic molecules. i don't have a clue?
  • Please help me with this easy math question!?!?!?
  • Please help me with this question?
  • PlEaSe HeLp Me!!!!?
  • please help me!!?
  • Please Help my mind just not working today?
  • please help with maths homework?
  • Please help! A cost to an individual can be justified by a benefit to the group?
  • Please let me know how do you do piethagarus? What about formulea?
  • please provide a list of animals known to graze in southern africa?
  • Please rate my Pig 'Poccu' he is such a geezer?
  • Please someone give me an answer: A uniform metre rule has a 4N weight hanging from one end. etc?
  • Please someone give me an answer: A uniform metre rule has a 4N weight hanging from one end. The rule balanc?
  • Please someone helps derive the pressure equation in brake line?
  • Please, is there a telescope mirror blank supplier in Bulgaria. The glass blank needs to be fine annealed..yes
  • Please, let someone tell me, how many PLANETS are existing?
  • PLS suggest projects I can use for my MENG (Electrical) thesis. on power generation or Electrical control?
  • Pluto is a moon of Neptune. It is true? If false, tell me why Neptune only have 2 moon, not like other Jovian?
  • Pluto not a planet? why?
  • Pluto. What does everyone think?
  • Pluton not a planet?
  • Plutonium space probe wars?
  • plz anyone tell me to find out the oxidation number of PbSO4 , CaOCl2 , (Nh4)2SO4?
  • plz its easy math help i relly need the answer!!?
  • plz tell me names of allthe parts of cell!?
  • Pneumonia booster - what do you think?
  • points for the first person to tell me?
  • poisonous liquid used in dyes?
  • Polar Bear vs. Bengal Tiger?
  • polar caps .?
  • Poly is for reainwater guttening explain the reasons? Why guttening made from iron why polythene a better?
  • Polyol 1.06g/ml=100 parts by weight.Isocianate 1.23g/ml=140 pbwThe volume is based on 100g/ml:140g/ml.Needed.?
  • Possible Combinations (Maths Question)?
  • possible for a magnetic force enginnering system to make a car work called MFE, I WANT TO KNOW WHY IS NOT SO?
  • Post-translational modifications?
  • Potassium permanganate/ethanedioic acid. Why a HOT titration?
  • Potato Power?
  • Potato/lemon cell?
  • pound for pound what is the lightest material i.e. aluminium,carbon etc..?
  • pouring water on hot fat does it produce steam or smoke?
  • Powers of 10 Maths Homework ? Can you please help me answer these questions..Please ! urgent help needed!
  • pressure and the equilibrium constant?
  • price for gems, specially emeralds?
  • Prime factors?
  • Prime Numbers - An Equation to Predict Their Occurence ?
  • prime numbers?
  • Prior to the Columbia disaster, what were the names of all of the ships in the shuttle fleet?
  • Private Biology/Genetics Teaching?
  • Probability of higher or lower?!?
  • Probability of Playing Cards?
  • Probability of winning the UK lottery?
  • Probability question?
  • Problem involving.what?
  • Problem solve?
  • Problem with undergraduate medicine screening process?
  • problems below?
  • Problems with circles?
  • problems with The Mole?
  • Products of prime numbers?
  • Programmable Calculators?
  • Propenoic acid and propionic acid?
  • Protein separation from viscous gel?
  • Proteins in the fluid mosaic model.?
  • prove cosx=(e^ix+e^-ix)/2 and what is a cosh?
  • Prove sin(x+60degrees)=sin(120degrees-x)?
  • prove that any common tangent to two circles is bisected by radical axis?
  • prove which is greater: e^pi or pi^e?
  • Provided there is no wind, how fast does one have to run to make a sheet of A4 paper stick to his chest?
  • Proving that 1+1=1 through Algebra?
  • psychic people?
  • Puffle Penguins?
  • purpose and function of electric screwdriver?
  • Putting a nuclear bomb in a box?
  • Q= 1.6 x 10^(-19) ,C=3.31 x 10^(20) , K=0.49?
  • Q=1.6 x 10^(19) , C=3.22 x 10^(20) ,K=0.49?
  • Q=1.6 x10^(-19), C=3.22 x 10^(20), K=0.49?
  • Quadratic Equations?
  • Quadratic sequences.?
  • Quadratic sequences?
  • Quadratic theory?
  • Quantam mechanics?
  • quantum entanglement suggest non local behavior, entagled observables may be determined at the source, yes?
  • quantum mechanics- what is a particle?
  • Queen Bee (honey bees)?
  • question 10+3=1 why?
  • Question about alkane and alkene?
  • question about enery saving?
  • question about organic chemistry?
  • question about organic chemistry?
  • Question about rivers.?
  • Question about the big bang and god.?
  • Question about Vectors?
  • Question on groups-how do you know that there is a non identity element in the group?
  • Question related to factorisation in Zn (i.e. the quotient ring of the integers modulo n)?
  • questions 1,2,3 ,4 not making sense ?
  • questions on number?
  • Questions?
  • quicker than the speed of light?
  • qustiom on nuclear plant was genuine, for sons science project no help given!?
  • R = (30^65 - 29^65) / (30^64 + 29^64). How to find whether (i) 0R0.5 (ii) 0.5R1 (iii) R1?
  • radio controlled clock? BST Change?
  • Radio waves - How do they work?
  • Radio waves?
  • radiotherapy for thyroid?
  • Rain forrests are being cut down because of what we eat?
  • Rain. How much is one inch of rain per square yard in gallons (or fractions thereof)?
  • Random allignment of molecules?
  • Randomising samples?
  • rapeseed oil can save the planet. does anyone agree?
  • rarest flower?
  • Rather than stopping climate which seems very unlikely. How can we adapt to it?
  • Rational Numbers.. Please help!?
  • Ravines and wasteland development programs - can anyone tell whats the way to go for it?
  • re melanin production in non caucaision, how many generations will it take for the body to produce less ?
  • re Meteor storm?
  • Re- The ozone layer - Is there a way of using harmful CO2 to drive some of our vehicles and Machinery?
  • Re: the 'big bang' theory - where did the dust come from in the first place?
  • Re: the phrase 'setting my teeth on edge' why does the scratch of a nail on glass causes a teeth sensation?
  • Reactions ?
  • Reactions ?
  • Realistically, when will there be a device where we can read news without the paper?
  • Really is 1 = 0?
  • Reasons how and why health and safety in workplace came about?
  • record chlorine some of the general properties an element in this position of the periodic table might have?
  • Recreational Math(s)?
  • Rectangle come from the latin rectangulus meaning 'right angled' What is the origin of Rhombus?
  • Recycle, recycle, recycle. so in this age of recycling should we recycle old boyfriends and exhusbands?
  • Recycling question?
  • Recyling- plastic bag nightmare!?
  • Redox Reactions?
  • Reducing urban speed limit to 20mph? Is that really such a good idea?
  • redundant trainee engineer looking for work?
  • Regular shapes again! A square is a regular polygon because it has four equal sides and four equal angles BUT?
  • Relate the Structure..?
  • relating structures..?
  • Religion teaches man was made from clay (Earth) is this scientifically correct according to biological studies
  • Remember MRS. GREN?
  • Renewable energy sources and the economy?
  • request for water meter?
  • Research & Development, where do you think the next big thing is going to come from.?
  • respect crows. do you understand them?
  • Retroprojector/Epidiascope ?
  • Revenge for a price hike?
  • Right then BRAINIACS..?
  • Right! Why do wheels (normally spoked) sometimes look motionless even though the vehicle is moving?
  • Right, can I use the tool that is left after grinding a telescope mirror to grind the back for another mirror?
  • rise of the machines?
  • Rising sea levels?
  • Robert Hooke or Isaac Newton?
  • Roll call of the world..where are you? and what's the weather like?
  • Roman numerals were hailed as revolutionary in their day. What system did the Greeks use ?
  • round each of the followig numbers to the nerest 10, then the nerest hundred?
  • Rubbish recycling plant in Holland?
  • russian scientist (i think)?
  • S p a c e ?
  • salt intake confusion?
  • Sampling distribution?
  • Sand dunes?
  • Satellites?
  • Saw aaSparrowhawk take a magpie the other day.?
  • Science a necessatiy?doctors?
  • science hi you all!!!?
  • Science homework question. What does the word 'up mean when standing on the moon.?
  • Science is great, would it be possible to grow big blobs of meat rather than having to kill an animal?
  • science question!?
  • Science questions. About blood glucose levels and hypothermia.?
  • science-What is a salt?
  • Scientific question..Is there such thing as naturally black hair? Is it just intense dark brown ?
  • Scientists say the human race wiil cease to exist....?
  • Scientists say the ice caps are melting fast, meaning rise in sea levels.?
  • Sea serpents remain alive in the arctic island ?
  • seedless grapes?
  • Seemingly simple probability question that stumped me!?
  • Seen a really big sunspot on the sun today. Is this strange as we are near the spot minimum.?
  • Self-finding golf ball?
  • Seperation of food colours by Thin Layer Chromatography (TLC)?

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