Science
The observation, identification, description, experimental investigation, and theoretical explanation of phenomena is all part of science. Nothing is immune to the scientific process: from charm quarks that haven't existed naturally since the beginning of time to Pluto, recently demoted from planet to dwarf planet. Questions on knowledge about the material and physical aspects of our world are asked and answered here.
Total questions 565100
ID1168875741
asked A variable that changes as a result of the other variable and said it was different from What type of variable is affected by the independent variable 22 minutes ago
ID3636310657
wrote the first answer to How long does it take to go out of your galaxy 57 minutes ago
ID1246057749
wrote the first answer to What best describes cellular respiration 26 May 2012 21:10
Stephen Lujan [0]
wrote the first answer to Why did Neil Armstrong step on the moon 26 May 2012 21:04
By using telescopes and launching robotic instruments as probes.
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No. Speed of sound is independent of pressure. It is a function of temperature.
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Have you googled how much home can I afrfod This is a very helpful first step.Try again with local banks.You need to make an...
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Pistil - female reproductive part of flowerStamen - male reproductive part of flowerAntherFilamentStigmaStyle OvaryOvule
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Electrical power in SI is measured in watts, or joules per second. It is equal to current times voltage, which is also equal to...
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if they didn't you couldn't see them
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you need a flux capaciter and a 2k resister and your mum
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if you had a really cold water bottle and you left it outside in mild or hot weather it would have little drips going down it it...
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It's most likely 60Fe, also written iron-60, which is an isotope of iron with 60 nucleons (protons and neutrons). It doesn't...
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This is true to an extent in that, being doubtful or unsure about something gives one the desire to research and find out as much...
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Remote sensing makes it possible to collect data on dangerous or inaccessible areas. This includes monitoring deforestation in...
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First and foremost is that rigidity is essential for transverse waves to travel through the medium.But in longitudinal it is not...
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When something burns, like a candle for instance, the substance acting as the fuel (e.g. the wax) becomes very hot and...
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In fact, it isn't even a mixture. Ice cubes and distilled water both are just water in two different states.
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Imagine you have a heater in a room. How does it heat the entire room when only the heater is hot? By convection! As the heater...
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Yes. The high concentration of chemicals keeps for pool clean from bacteria, but is also strong enough to eat away at substances...
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Taps need not be made with metal.... But most taps are because they don't melt if hot water passes through............
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compared to a non-digital camera, interesting facts about digital cameras include,but is not limited to: >displaying images on...
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For clarification, meteoroids are the lumps of stuff that falls into earth atmosphere and either disintegrates & burns up...
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use this website address and you might find an answer to your question: ...
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The vast majority of animals do not perspire at all. Only selected mammals perform this function.
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In the West, the rooster has been a symbol of a rising sun and starting a new day. In the East, specifically in China, the...
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You can have many dependent variables. If you measure the length, width and height of a solid block of metal and have temperature...
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Sound waves are a form of energy, so that energy may only be converted into another form. Energy can neither be created or...
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sand is carried farther than gravel because it weighs less and doesn't get stuck together.
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Lithium-6 and lithium-7 are two different isotopes of lithium. All lithium atoms have 3 protons, but they may have different...
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without light the leaf cant synthesise its own food and dradually dies due to lack of food.
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The freezing point is the point where a substance exists in both solid and liquid form. The enthalpy of fusion, or specific heat...
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reproduction is essential for the survival of a species; however a individual can live without reproducing
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if you want the force - weight then it is 9.8 Newtons due to gravity, but if you want mass then it would just be 1kg
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Yes it does, while heating or cooling by itself, so fixingthe temperature profile in front of it, inside itand beyond it. As the...
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cheese is made by bacteria go Packers for Super Bowl 2011
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answ2. Given a passage between them, fluid will flow from a region of high pressure to one of low pressure.
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Some of the reasons why hydroponics is being adapted around the world for food production are the following: No soil is needed...
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It depends on the solution in which the reaction producing it occurs. A precipitate is formed when a product of a reaction in an...
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On basis of original work by experienced specialists and industrious doctors as well as consistent cooperation with professors...
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Time is one of the units that hasn't been fully converted to metric, and probably never will be. Because all time (on earth) is...
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Methane is called a marsh gas because it is formed by methanogenic organisms that can be found is marshes (thus concentrations...
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No, there is not. It is an automated system.
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red,orange,yellow,green,blue,violent
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Potassium permanganate is a deep purple crystalline ionic solid, sometimes called Condy's crystals (used as a snake bite...
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Glass, Clear Plastic, anything you can see through basically.
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Matter(solid, liquid or gases)
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A fluorescent lamp tube is filled with a gas containing low pressure mercury vapor and argon, xenon, neon, or krypton. The...
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Jhon, as a child, was very neurotic. it caused certain chemical out bursts in his nervous system, but, dispite his difference he...
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Well there are four methods by which heat transfers from one area to another. They are, evaporation, convection, radiation and...
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Yes. Any state changing is physical, unless it's a chrystal.
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They don't need to be. :P That is because they are made to a certain tone or note. This note is determined by its diameter and...
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The air resistence have on air is for example when your are riding a bike, the air is pushin against you, so the air resistence...
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That depends on exactly what you mean. Neurologists specialize in non-surgical problems of the brain and nervous system such as...
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all esters, e.g. benzyl benzoate, ethyl propanoate, any ester is neutral
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Yes, Sulfur and Gold are yellow, mercury, and most metals are silver, silicon is Grey. Gaseous oxygen is transparent and Liquid...
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Almost all eukaryotic cells contain a nucleus, which contains their DNA, or genetic make up. Mammalian red blood cells do not...
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Fungi, or fungus, breaks down dead organisms into more simple nutrients, which end up mixed into the soil and used by plants so...
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No force is required for an object to move with constant velocity, but you need a force to accelerate an object (make velocity...
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water weighs 8 lbs / gal gas weighs 5 lbs per gal.
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Milk is a mixed suspension. The ingredients in milk will precipitate into a solid part and an upper liquid part if left for a...
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most common unit for heat is a calorie, 1 calorie is the amount of energy needed to raise the temperature of 1 kilogram of water...
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The airplane is flied by a pilot who is authorized by certain universities. They have to complete the courses like BE or BTech or...
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yes, a vacuum has no real effect on light unless were talking black-hole in which a laser would not be visible. a vacuum...
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The egg is heaver per volume than the water.
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An alloy is formed.
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Not light rain (or snow or hail) but not heavy either.
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Solidifications
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Because when you drop water into acid the acid is to concentrated so it has to let out a reaction to drop the concentration
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It depends on the alkaline substance you use. A soluble ionic base, such as sodium bicarbonate (baking soda) or potassium...
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First of all , chemistry is the reaction betweem two substances . Most of the things we do daily are considered chemistry like ,...
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Pancreatic digest of casein, papaic digest of soybean meal, beef extract, peptone
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From a point source, the light spreads out in all directions and adjacent light waves diverge from one another. From a larger...
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Dependent on thr polar separation or "Polaris separratus" basically when the moon orbits around the sun it causes friction in the...
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First of all gases cannot turn in to plasma, it is the electrons ripped off from the gas that turns into plasma. And to search...
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Buffer is a combination of acid/base and its salt, bicarbonate is an acid buffer which means H2CO3 and Na or K bicarbonate...
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Salt water does cool faster than pure water, and it takes it down to lower temperature's, but I'm not too sure why.
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True. But your method of playing it/what your playing depending on the tempo and rhythm it may make it lean towards or away from...
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Carbon dioxide gas is transparent and under normal conditions you do not see it. However, it does form visible bubbles in...
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An object makes sound by releasing sound waves that travel through the air, which we call vibrations
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can you rephrase the question please. As read it makes no sense to me.
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The reason that some substances dissolve in water and others don't depends on their reaction to water. Hydrophilic (water loving)...
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Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms...
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A test-tube is a heatable glass tube with a round bottom in which chemicals (usually liquid, but not always) can be placed. The...
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i bought the canon g10 around 6 mths ago and e72 that I'm now using is ordered from plemix.com 2 wks ago. they shipped it on time...
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hydrolyses alternative glycosidic bonds to convert starch into moltose.
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Bad stuff loked up on the internet
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