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Score: 4.8/5 (28 votes) As Drebbel acquired some renown, he was invited to London in 1604 by the court of James I. His splashiest invention in England was a submarine, the first ever built, launched around 1620 and operated successfully on the River Thames.Where was the Drebbel submarine invented?Co...
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Score: 4.6/5 (20 votes) Eratosthenes hired a man to pace the distance between the two cities and learned they were 5,000 stadia apart, which is about 800 kilometers. He could then use simple proportions to find the Earth's circumference — 7.2 degrees is 1/50 of 360 degrees, so 800 times 50 equa...
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Score: 4.5/5 (67 votes) While ceanothus can be shaped by tip pruning and cleaning out interior or low dead growth, it resents serious cutting back into old wood where shoots cannot be produced. Prune from the inside, lightly thinning, and removing a few lower limbs.How hard can you prune ceanothus?O...
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Score: 4.6/5 (67 votes) It supports a better lifestyle through which you can improve your overall health. Allopathy for piles may cure one of the symptoms caused by piles but doesn't do much for the root problem.Can piles be cured permanently by medicine?Your doctor might recommend over-the cou...
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Score: 5/5 (31 votes) Thermosetting plastics or Thermoset plastic are synthetic materials that strengthen during being heated but cannot be successfully remolded or reheated after their initial heat-forming called as Thermoset material. 3.2. ... By heating the polymer, it turns as hard material.Are ...
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Score: 4.9/5 (46 votes) Swelling is the result of the increased movement of fluid and white blood cells into the injured area. The release of chemicals and the compression of nerves in the area of injury cause pain. The pain and swelling can keep the athlete from using the injured part, serving to p...
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Score: 4.5/5 (21 votes) The adolescent fertility rate is defined as the number of births per 1,000 women ages 15 to 19. Having children this early in life exposes adolescent women to unnecessary risks. Their chance of dying is twice as high as that of a woman who waited until her 20s to begin childb...
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Score: 4.8/5 (37 votes) Unfortunately not. Only a couple of months after Season 1 aired, in December 2019, Netflix announced that Daybreak would not be returning for a second season. Co-creator Aron Coleite announced the news in a tweet. “We learned last week that Daybreak will not be returning for ...
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Score: 4.3/5 (8 votes) What causes PSP? PSP occurs when brain cells in certain parts of the brain are damaged as a result of a build-up of a protein called tau. Tau occurs naturally in the brain and is usually broken down before it reaches high levels. In people with PSP, it isn't broken down p...
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Score: 4.4/5 (56 votes) Reactions. Benzaldehyde can be oxidized to benzoic acid; in fact "[B]enzaldehyde readily undergoes autoxidation to form benzoic acid on exposure to air at room temperature" causing a common impurity in laboratory samples.What is the oxidation product of benzaldehyde?Benzaldeh...
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