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What parts of the human body never stop growing?

This is why on older people, ears and noses appear much larger than they would on a young person. If one does not like the appearance of larger ears and nose, one can have plastic surgery such as rhinoplasty done to correct it. The bones of the body stop growing after puberty, and fat and muscle cells stop dividing.\nNo body parts grow after death, despite the myth that hair and fingernails continue to grow after one has died. This myth comes from the fact that after death the body dehydrates, causing the skin to retract around the nails and hair, giving the illusion of growth.\nAnother medica..

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Which organisms can reproduce by fragmentation?

Simple animal species such as Asteroids, or starfish; ophiuroids, or brittlestars; and holothurians, or sea cucumbers, reproduce by way of fragmentation when splitting apart one body into two distinct separate pieces. Starfish also use regeneration of injured, torn appendages by fragmentation.\nProkaryotic organisms such as parasitic tapeworms, ribbon worms and flat worms, polyps forming the base of coral reefs and free-floating jellyfish use binary fission as a form of fragmentation. Other organisms using fragmentation include annelid worms, filamentous cyanobacteria and some multicellular me..

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What gas turns lime water milky?

Calcium hydroxide reacts with carbon dioxide to form calcium carbonate. The balanced equation for the chemical reaction is Ca(OH)2 + CO2 ? CaCO3 + H2O since the chemical formula of calcium carbonate is CaCO3. Because calcium carbonate is insoluble in water, a precipitate is formed instead. Since calcium carbonate is white, the precipitate formed is white. This white precipitate gives the lime water its milky appearance.

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How many different types of rock are in the Earth's surface?

Metaphoric rocks typically change due to pressure, heat or chemical processes underneath the Earth's surface. These changes result in two types of metamorphic rock: foliated and non-foliated. Foliated rocks, such as slate, has a layered appearance, while non-foliated rocks, such as marble and quartzite do not. Metamophoric rock can be found on large mountain ranges, such as the Rocky Mountains and Appalachian Mountains.\nThere are three types of sedimentary rocks: clastic, chemical and organic. Clastic sedimentary rocks, such as sandstone, are formed form weathering rocks. Chemical sedime..

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What is a power transformer ?

The most common types of transformers are the step up and step down transformers. They raise or reduce the voltage of the current passing them. Another kind, the two winding transformer, is used when the ratio between high voltage and low voltage is greater than 2. Other types of transformers include three phrase, single phrase, electrical power, distribution, instrument, auto, outdoor and indoor transformers.

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What are some major dynamic processes that can take place in ecosystems?

Ecosystems are highly dynamic and experience significant changes through internal and external processes. Time can be a critical factor in the successful recovery of an ecosystem's equilibrium after a major disturbance such as a wildfire, hurricane or flood. An extended length of recovery time can also provide an opportunity for an invasive plant or animal species to enter and cause major and potentially permanent alterations to vital abiotic and/or biotic factors.One of the primary external dynamics affecting an ecosystem is climate. A drought or change in a seasonal rainfall pattern can..

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What is the job of the abdominal aorta?

The blood supply comes from the left ventricle of the heart, travels through the ascending aorta, the aortic arch, which curves over the heart, and then through the descending thoracic aorta. These three aortic sections provide blood to the heart, the head, neck and arms, the ribs and adjacent structures.\nAs the blood travels down the abdominal aorta, it branches off into smaller vessels and capillaries. These smaller pathways deliver blood to the intestines, kidneys, liver, gallbladder, spleen, stomach and pancreas. As the blood moves into the iliac arteries, it also gets funneled into small..

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What is some good information about forensic ballistics?

Likewise, Explore Forensics states that if the weapon is left at the scene of the crime, it can provide valuable information as to person who has committed the crime. Because most guns have their own unique identifying features, information about the gun can be determined from the bullet, the nature of the wound and from any residue left from the weapon around the wound. Bullets contain a mixture of gunpowder and cordite which leaves burn marks on the skin of the individual wounded, as well as a fine residue on the fingers and hands of the individual who fired the gun. The burn marks on the in..

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What is the history of soapstone?

Soapstone is a metamorphic rock composed primarily of talc, although it may contain other minerals such as chlorite, amphiboles and carbonates. Soapstone is a versatile material that has many uses because it is very soft, easy to work and resistant to heat. Historical uses for soapstone include the crafting of sculptures, jewelry and other ornaments. Other uses for soapstone throughout the years include the creation of counter top surfaces, gravestones and fireplace liners.\nToday, fabricators and welders use soapstone as a marker because of its heat-resistant properties. Carpenters, seamstres..

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Why does phenolphthalein turn pink?

Although the anions are pink, the solution remains colorless in the presence of an acid. If the pH of the solution is 8.2 or above, the number of anions increases, causing the solution to turn pink. The increase in cations also causes the solution to turn red when the pH is above 10.0.\nPhenolphthalein is often used on litmus paper to test pH, along with bromophenol, which turns blue or yellow in the presence of an acid.

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