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What is the difference between fish and amphibians?

As a class of animals, fish are much older than amphibians, which evolved 370 million years ago during the Devonian period. Amphibians were the first category of vertebrates, or animals with spines, that evolved from fish and left their aquatic habitats to colonize dry land.\nWhile fish propel themselves through water with fins or float along underwater currents and do not have limbs, amphibians do have limbs and can run, jump, climb or swim both on land and in water. Whereas fish breathe by filtering oxygen from water through their gills, amphibians do not possess gills and are able to breath..

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How do you get free translations from English to Spanish?

Each of these resources work similarly by allowing a user to input the phrase she wants to translate. It appears translated in the corresponding box on the same or a following page. Google Translate and FreeTranslation.com both offer multiple language translations ranging from languages such as French and German to Mongolian and Hindi. SpanishDict.com focuses purely on Spanish and utilizes three different translators to help users find the best translation.\nThose wanting to translate from Spanish to English and vice-versa can also utilize various dictionaries to form their own translations, p..

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What kind of shoes does NoMoreRack sell?

While the Choxi website allows users to use the navigation links and sort through women's items by the product, men's and children's products have no way to separate shoes and other products. For example, men's shoes are mixed with other men's products.\nChoxi is a discount website that gives discounts of between 50 percent and 80 percent off retail prices. It sells a number of products, including clothing, electronics, jewelry and pet supplies. The site provides users with the original cost, as well as what Choxi is selling it for, so that users know exactly how much ..

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What are the most common elements on Earth?

After the most abundant elements, most elements become much harder to find. Other than the top four elements, plus calcium, sodium, magnesium and potassium, no other element makes up more than 1 percent of Earth. The ninth most common element is titanium, at roughly 0.5 percent, followed by hydrogen, at 0.14 percent. This is in stark contrast to the elements in the Milky Way Galaxy, where hydrogen is by far the most abundant at approximately 74 percent.

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Which online retailers sell the "Rise of the Guardians" movie?

"Rise of the Guardians" is a computer-animated fantasy film by DreamWorks Studios that is based off of the book series "The Guardians of Childhood." The movie was in theaters in 2012, but became available on DVD and Blu-ray in March of 2013. It was re-released on DVD and Blu-ray in November of 2013 to include a wind-up toy elf. Both the standard DVD and Blu-ray, as well as the versions with the wind-up toy, are available at most online retailers that stock popular movies, such as Target, BestBuy, Amazon and Wal-Mart.Digital versions of the film can be purchased without the possibility of an in..

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What is the word equation for wood combustion?

Wood is made up of cellulose, an organic compound that is a polymer or macromolecule. Thermal decomposition of cellulose is the reason why wood ignites and combusts under the influence of heat. Another name for thermal decomposition is pyrolysis. \nIn the pyrolysis process, the application of high heat to wood causes the cellulose to begin its decomposition. The decomposing products react with the oxygen in air to produce more heat and a chain reaction that culminates in the release of the products carbon dioxide, water in gaseous form, ash residue and heat.

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Are hyenas dogs?

There are two main subgroupings of the order Carnivoria, the scientific classification that all modern mammalian predators fall under: Feliformia and Caniformia. Feliformia, which hyenas belong to, is a broad group that includes the mongoose and fossa as well as the many species of cats. Within Feliformia, hyenas form their own group, called Hyaenidae, completely separate from cats and other Feliformia members. They can be thought of as cousins to cats and other members of the group rather than being directly related. Hyenas are neither dogs nor cats, but they are more like cats in terms of an..

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What is 80 grams in milliliters?

For example, 80 grams of pure water at 39.2 degrees Fahrenheit is equal to 80 milliliters. When that same mass of water reaches its boiling point at 212 degrees Fahrenheit, its lower density means that its volume expands to 83.47 milliliters.\nDifferent densities mean different volumes for 80 grams of other substances as well. Eighty grams of butter is 92.49 milliliters, while 80 grams of maple syrup is 58.74 milliliters. Eighty grams of dry sand is 62.45 milliliters, but 80 grams of packed wet sand is much denser and has a volume of just 38.42 milliliters.

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Where can you access photos of plantar warts on feet?

Plantar warts, which are caused by HPV, or the human papillomavirus, are unsightly growths that develop on the heels and balls of the feet, particularly in areas that experience the most pressure. They're called "plantar" because the soles of the foot are also referred to as the "plantar aspect." Although plantar warts are harmless, sufferers often seek medical treatment to have them removed, as this skin condition can cause great discomfort and pain.

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How many Tasmanian devils are left?

In the 1990s, the total Tasmanian devil population was estimated at 130,000 to 150,000. However, the population has been in continual rapid decline since then. The main cause has been an outbreak of devil facial tumor disease. It is a contagious cancer that causes tumors to form around the face and mouth. Because the afflicted animal cannot eat, it starves to death. In some areas where the disease is widespread, Tasmanian devil populations have diminished as much as 90 percent. Additionally, thousands of Tasmanian devils are victims of roadkill annually. A number of Tasmanian devils are also k..

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