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  1. ...home smoke free is one of the best ways to reduce air pollutants... all forms of tobacco smoke including..., and tobacco smoked out of pipes. Air...

  2. ... the solar system lies close to the galactic plane. The main disk of the Milky Way Galaxy is about 80,000 to 100,000 light-years in diameter, about...

  3. ... limited space, has no boundary. This is similar to the surface of a sphere, which has a limited area, but there is no boundary on...

  4. ...t where (v-u)/t = a So they are the same thing, just different way of writing it. For jumping...jump g = gravity acceleration So you can find out your initial velocity, then calculate how long it...

  5. ...ldquo;bent”, a diver must slow the rate of nitrogen coming out of the tissues. This is achieved by reducing...change in pressure by slowing the ascent, even stopping part of the way .

  6. ...you must drive a car, make sure it is fuel efficient. Try to cut down the amount of car journeys you make each week. 5.Bike or walk if you are...

  7. ...both can give out ultraviolet radiation. Incandescent light bulb gives out light by heating of the filament to high temperature. In such a way , it behaves more or less like a [black body]. As the black body spectrum...

  8. ... temperature the protons start vibrating and moving slightly out of position. As their motion becomes more erratic they are more likely to get in the way and disrupt the flow of the electrons. Thus the higher the ...

  9. ... moves around the Sun. Just consider the acceleration of the Earth towards the Sun. Force, F = mv²/r...

  10. ... as a "dot" instead of a "circle" and thus distance adjustment... found on the point.) Results may appear as ...observation, the experiment can be carried out in a dark environment.