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What is the rough opening size of an interior door?

Small inconsistencies can lead to big problems when measuring door openings in the preliminary framing stage. These little difference can make a big impact in the way the doors swings.\nA rough opening is commonly framed using two-by-fours. This gives a solid structure for attaching the door in place using hinges. A snug fit is recommended to properly plumb, level and square the door but other details need to be taken into consideration, such as thickness of finished floors. Carpet and thicker tiles also need to be adjusted for.

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How many arteries are in the human heart?

The left main coronary artery and right coronary artery are further divided into other arteries within the heart. The left anterior descending artery and the circumflex artery stem from the LMCA, while the right posterior descending artery and the acute marginal artery stem from the RCA. These divisions ensure a blood supply to the entire heart.

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Who is credited with developing the scientific theory?

Aristotle developed methods to arrive at conclusions using observation and Bacon came up with the cycle of observation, hypothesis, experimentation and verification. Galileo used everything from mathematical deduction to hypotheses and experiments to develop the scientific theory. Descartes wrote the "Discourse on Method" as his contribution to the scientific method. Since then, the scientific method has come to be known as a major way to pursue knowledge by using observation and experimentation and as a major way to test hypotheses.

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What are planets made of?

Despite being made up mostly of gases, the outer planets have a rock core. However, they are still less dense and located further away from the sun than the inner or terrestrial planets. Astronomers are able to to determine how planets formed by studying the structure of the solar system and other younger planetary systems that are in varying stages of development.\nThe dominant theory, according to HowStuffWorks, states that solar wind emanating from the sun blew light elements, mostly gases, away into the outer orbits. Gravity then drew these elements in causing them to form giant balls. The..

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In what layer of the Earth does convection occur?

The aesthenosphere is a layer of solid rock that is so hot, the rock melts and flows like a liquid, easily breaking apart. The most dramatic earthquakes are caused by rocks in the aesthenosphere breaking apart.Large convection currents transfer heat to the surface of the Earth, and these currents cause the magma to break apart. When this happens, it creates divergent plate boundaries. When the plates separate, they cool down and get reabsorbed back into the aesthenosphere.Because the aesthenosphere is so deep, scientists cannot really study it until an earthquake or volcano occurs. They know t..

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What does PH stand for in chemistry?

Values for pH usually run from 0 to 14, with lower numbers representing extremely acidic substances and higher numbers delineating substances that are strong bases. Pure water has a neutral pH, which is 7. Concentrated hydrochloric acid is extremely acidic and registers at a pH of 0. A concentrated strong base, such as sodium hydroxide, or lye, has a pH of 14. The pH of substances is measured by using a pH meter or with red and blue litmus paper.

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What are the real-life examples of Newton's second law?

Simply, Newton's second law represents the fact that the greater the mass of an object, the more force there is needed in order to move it. This explains why, for example, it requires one person to easily lift a box weighing five pounds but multiple people exerting more force collectively to lift a box weighing 100 pounds. Acceleration, or the speed of a moving object, can be calculated with the equation Acceleration = Force / Mass.

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How many ounces are there in 750 ml?

The most popular bottle size for both wine and spirits is 750 ml, although they are also sold in 1 L and 1.5 L sizes. Although the bottles are measured using the metric system, drink recipes usually are created using ounces in the United States. In order to calculate how many drinks a bottle will provide, bartenders need to convert to ounces. \n\nA standard glass of wine contains 5 ounces, so a standard 750 ml bottle provides roughly five glasses of wine. A mixed beverage, like vodka and tonic, normally contains 1.5 ounces of spirits, so a 750 ml bottle contains enough alcohol for roughly 17 d..

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Where is the bladder located?

The bladder, when empty, is approximately the same size as a pear and can typically hold between 400 and 600 milliliters of urine. It is lined by muscle tissue, which expands when it becomes filled with urine. Urine trickles down from the kidneys and into the bladder before being excreted through the urethra. During urination, the bladder muscles contract, which allows two sphincters to let urine flow out.

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From what is petrol made?

Along with oil and coal, petroleum is classified as a fossil fuel. Formed over millions of years, fossil fuels are non-renewable energy sources. When it is first collected, petroleum is a black, green or clear liquid with various levels of thickness. Petrol results from the mixing of crude oil with natural gas, and it may vary from a heavy black consistency to a pale yellow color (with low viscosity). The advantages of petrol as an energy source reside in the fact that it is clean burning and possesses a high energy density.Both crude oil and natural gas are obtained from the ground, either on..

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