Science & Mathematics Questions and Answers

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  • how is lightning created?
  • How is limestone used to remove impurities ?
  • How is magnesium and potassium used in body?
  • how is math used in history?
  • how is metal made,from it's raw material, to the end product.?
  • how is p21 able to inhibit progression through the cell cycle?
  • How is Planet Earth able to regenerate itself even after a devastating event?
  • How is plastic made?
  • How is possible thatsome people do not believe evolution given the vast amount of evidence for it?
  • how is radiation used in monitoring the pollution of rivers?
  • how is recycling stopping global warming?
  • how is stainless steel made?
  • How is table salt made ?
  • How is the Earths magnetic field generated?
  • how is the heat pump air conditioning work?
  • How is the magnifiction of binoculars / telescopes measured.?
  • how is the nucleus of a atom split to make a atom bomb?
  • How is the Qualitative analysis technique used in science?
  • How is the universe getting bigger if the universe is everything?
  • how is trioxonitrate acid produce in the laboratory?
  • How is your recycling going? Has your local authority got it off to a fine?
  • How likely is it that someone will develop an anti gravity device at some point in the near future?
  • How long after 48hr serum deprivation will synchronised HEK cells be in mitosis?
  • How long after leaving the body does DNA remain 'trace-able'?
  • How long ago did the homosapien race begin.?
  • How long are cows and do they mind ?
  • How long before my energy saving idea becomes practical?
  • How long before there is 1 person for every square metre of earths surface?
  • how long can a blue whale hold its breath for?
  • how long can a bug live?
  • How long can a whale stay under water and why?
  • How long can humans survive without sleep?
  • How long can penguins hold their breath under water?
  • How long can the average person survive, buried in a coffin? e.g how long would the airsupply last?
  • How long can the brain think for after decapitation?
  • how long could a community survive in a purpose-built 'survival bunker'?
  • how long could a human survive in a bath of ice?
  • how long did it take Neil Armstrong to get to the moon?
  • How long did they sleep?
  • how long do carbohydrates stay in your body before they become fat?
  • how long do elephants live for?
  • how long do fingerprints last on a bottle of wine?
  • How long do germs live?
  • how long do human bones last after death?
  • How long do humans live in the time scale of the universe?
  • how long do you have to react before you get struck by lightning, from feeling tingiling sensation?
  • how long do you think the human race will survive?
  • how long does a candle burn 4?
  • how long does a CD take to biodegrade?
  • How long does an average garden ant live?
  • how long does an osprey live for?
  • how long does human flesh take to decompose?
  • how long does it take chewing gum to digest if you swallow it?
  • How long does it take for a maggot to complete it's metamorphosis?
  • How long does it take for a tablet to dissolve after you swallow it?
  • How long does it take for a unit of alcohol to disappear from the body of an average male?
  • How long does it take for household bleach to biodegrade in still water at 18c ?
  • How long does it take for liquid to get absorbed into the blood stream?
  • how long does it take for the human body to radiate its heat away to freezing in space?
  • how long does it take to drive from devon to bury lancs?
  • How long does it take to get to the moon?
  • How long does it take to travel to the moon?
  • How long does medication stay in a person system after they have stopped taking it?
  • How long has modern day man actually been around?
  • How long have we got before Earth is destroyed?
  • How long in miles is it from the north pole to the south pole?
  • How long in miles is the United Kingdon from the Southern most tip to the Northern most tip?
  • how long in yards is a mile?
  • How long is a human generation (in years)?
  • how long is a peace of string ?
  • how long is a peice of string?
  • how long is a peice of string?
  • how long is a piece of string.?
  • how long is a piece of string?
  • how long is a piece of string?
  • How long is a piece of string?
  • how long is the gestation period of a water buffalo?
  • how long is the river thames?
  • how long is the shortest day and when is it in the uk?
  • How long is time?
  • how long till the sun goes out?
  • How long to the nearest hour would it take to drive a car to Pluto going at 70MPH the whole way?
  • how long to travel to mars?
  • How Long Until The Sun Burns Out?
  • How long will it be before men are born without nipples?
  • How long will it be before we put a man / woman on Mars?
  • how long will it take for a chocolate teapot to melt?
  • How long will it take to go to the moon?
  • how long will it take to light a fire using two ice cubes?
  • How long will the universe expand before it begins to contract and when it contracts will time be reversed?
  • How long would an average human survive if they stood naked in Antartica?
  • how long would it take 2 walk 2 the moon?
  • How long would it take to count to 1 million?
  • how long would it take to go from the earth to the nearest star Alpha Senturie and back again?
  • how long would it take to travel from the earth to the end on our solor system and back again?
  • How long would it take to walk around the earth folowing the equator?
  • how long would it take?
  • How long would you stay awake for after going to the guillotine?
  • How long.?
  • how magnets are made?
  • How many 20cm x 30cm tiles will i need to tile wall 800cm x 120cm?
  • how many 4 digit numbers add up to 200?
  • how many a/2 do you need for ox bridge for medical school DO I have to do a2 maths to improve my chances?
  • How many acres in a hectare?
  • how many acres of forest are there in the UK?
  • how many airplains are in the air at any one time?
  • How many answers do you think Dr. David Bellamy will get to his 'planet' question?
  • How many ants are there in the world?
  • how many atoms are in an average emperor penguin?
  • How Many Atoms Are in the Universe?
  • How many atoms are there in a mass of 40g of each of these nuclides: K, Br, Sn?
  • how many atoms are there in the universe and if its not to much trouble how many particles?
  • How many atoms in the average size banana?
  • how many average homes can a 750 kva generator supply?
  • how many babies does the average house spider have?
  • How many bacteria normally cover the body?
  • how many balls of string does it take to get to the moon?
  • How many bath tubs would all the water in the world fill up?
  • how many beans make five?
  • How many bees constitutes a swarm?
  • How many bones do we adults have?
  • How many bureaucrats does it take to screw in a lightbulb?
  • how many candles would it take to be as bright as the sun?
  • How many cans can be made from one tuna fish?
  • How many caterpillars does an average family of bluetits eat in a single day?
  • How many centimetres are in 4ft 5 ins?
  • How many centimetres are in a foot?
  • how many chemicals are in dynamite?
  • How many children were there ?
  • How many classes are there within the phylum Mandibulata?
  • how many colours has the south african flag?
  • how many colours in a rainbow?
  • how many comets have been seen since 1950 close enough to view with binoculars?
  • how many cooks does it take to spoil the broth..?
  • How many cosmic rays would have to hit you simultaneously to knock you over?
  • how many countries are there in the world?
  • How many countries have somewhere called Glasgow?
  • how many countries in the world dont have an a in their name?
  • How many countries in the world?
  • How many Countrys are there in Europe?
  • how many cows are there in the world?
  • How many cups of Sugar does it take to get to the moon?
  • How many days to Christmas?
  • how many different 4 digit nubers make 200?
  • How many different birds are there in the UK?
  • How many different dimensions are there in existence?
  • How many different kinds of orchidare there in the UK?
  • how many different possible outcomes on the lottery are there?
  • how many different squares can be found on a chess board?
  • how many different types of doctors are there?
  • How many different ways are there to skin a cat?
  • how many disulphide bonds are there in chymotrypsinogen?
  • how many eclipses were there in the world in 2005?
  • How many eggs can the average house spider produce.Can they bite.Brown with red leggs,8-11 mm,cocoon like webb
  • how many eggs does a hen lay per day?
  • how many eggs does a woman produce in her lifetime?
  • how many elements are in the periodic table?
  • how many elements are there?
  • How many emperor penguins would it take to beat a polar bear in a fight?
  • how many eyes does a spider have?
  • How many farms are there in the uk? how many farmers?
  • How many farts can a double duvet hold?
  • How many feathers on a chicken?
  • how many feet in a metre?
  • How many fingers am I holding up and what message are they conveying?
  • How many fireworks would it take to lift a person off the ground?
  • how many flat faces and curved faces does a cylinder have?
  • How many football pitches are in an acre of land?
  • How many gallons of rain fell on the UK in August?
  • how many galons/liters of water is pumped per day/hour by one turbine of a hydroelectric plant?
  • How many Gigabites does the human brain have?
  • How many grams make a kilogram?
  • How many greenhouse gases are there?
  • how many hairs are there, on average, on the human head?
  • How many hearts does a giraffe have?
  • How many hexokinase genes do humans have?
  • How many holes does a mole have?
  • how many hours sleep do real people actually get a night?
  • how many ibs are 52 kilos?
  • How many insects does a human being eat while sleeping during their life time.?
  • How many kettles would you need to boil the sea?
  • How many kg in a stone? And how many cm in a foot?
  • How many kg is 15 lb?
  • How many kilometres are there in between every degree north off the equator?Is it constant?
  • How many kilos are 19 pounds?
  • How many kilos are 19 pounds?
  • how many kilos make a stone?
  • how many km are there in 5 miles?
  • how many languages are there in europe?
  • how many layer that our earth have?
  • How many legs does a grasshopper have?
  • how many legs does a monkey have?
  • How many legs have you got?
  • how many lines of symmetry does a circle have?
  • how many lions in africa?
  • how many litres in a gallon thanks x?
  • How many litres in a square metre?
  • how many litres in one gallon?
  • how many litres of blood in human body?
  • how many litres to the British gallon?

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