Total questions 72000
No. Speed of sound is independent of pressure. It is a function of temperature.
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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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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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if they didn't you couldn't see them
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By using telescopes and launching robotic instruments as probes.
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No, there is not. It is an automated system.
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rocket works on the principle of newton's laws of motion
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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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The one with the smaller volume.
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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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mixing - dispersion
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The next major meteor shower in this area will be the Leonid shower and will peak on November 18, 2010 at around midnight. It...
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use this website address and you might find an answer to your question: ...
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you need a flux capaciter and a 2k resister and your mum
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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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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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reproduction is essential for the survival of a species; however a individual can live without reproducing
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cheese is made by bacteria go Packers for Super Bowl 2011
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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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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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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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Organisms in streams need oxygen to live when lacking dissolved oxygen it will kill these organisms. edit: unless the organisms...
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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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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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For clarification, meteoroids are the lumps of stuff that falls into earth atmosphere and either disintegrates & burns up...
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The only disadvantage I can think of is that tou should NOT swallow it. Trust me : (
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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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sand is carried farther than gravel because it weighs less and doesn't get stuck together.
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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 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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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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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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All eukaryotic cells contain a nucleus, which contains their DNA, or genetic make up.
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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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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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compared to a non-digital camera, interesting facts about digital cameras include,but is not limited to: >displaying images on...
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water weighs 8 lbs / gal gas weighs 5 lbs per gal.
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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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It helps in the balance of organic and inorganic substances of our earth.
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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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red,orange,yellow,green,blue,violent
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There are many, many active and inactive volcanoes all over the world. See the related link for a list of active and inactive...
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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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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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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. Any state changing is physical, unless it's a chrystal.
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Pancreatic digest of casein, papaic digest of soybean meal, beef extract, peptone
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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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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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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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all esters, e.g. benzyl benzoate, ethyl propanoate, any ester is neutral
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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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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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To become an Oncologist, or cancer specialist.... To become an Oncologist, or cancer specialist, a medical degree is the first...
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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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Bad stuff loked up on the internet
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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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this is a badly worded question. By pure do you mean "formed of one type of molecule"? And what do you mean by plastic? there are...
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Polyester and viscose are two different things. Polyester in different forms is used widely and Viscose is a viscous organic...
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