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Score: 4.4/5 (3 votes) Shark skin is covered by tiny flat V-shaped scales, called dermal denticles, that are more like teeth than fish scales. ... These denticles decrease drag and turbulence, allowing the shark to swim faster and more quietly.What is the function of a sharks dermal denticles?Dermal...
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Score: 5/5 (33 votes) A dividend is a token reward paid to the shareholders for their investment in a company's equity, and it usually originates from the company's net profits.Who receives dividends?A dividend is a distribution of profits by a corporation to its shareholders. When a corpo...
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Score: 4.2/5 (18 votes) The effects of winglets on the maneuverability of aircraft is not straightforward, with different effects on various maneuverability parameters. In the simplest sense, the winglets have the effect of increasing the aspect ratio of the wing.What do winglets reduce?Winglets are...
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Score: 4.9/5 (63 votes) In 1 out of every 5 to 10 people, some or all of the pigment eventually returns on its own and the white patches disappear. For most people, however, the whitened skin patches last and grow larger if vitiligo is not treated. Vitiligo is a lifelong condition.How long does viti...
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Score: 4.7/5 (20 votes) There are as many as 30 million dead people with Facebook accounts, but the social media giant is simply so massive that these numbers are dwarfed by the total user count. With more than 3 billion active users, 'dead people accounts' are likely only around 1% of the...
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Score: 4.3/5 (57 votes) The first signs of vitiligo in kids are white patches on the skin that are commonly found on the hands, feet, arms, face, and lips. Sometimes, vitiligo in babies also results in whitening of hair. In some children, vitiligo patches don't spread whereas in some children, ...
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Score: 4.8/5 (37 votes) While women were able to enlist, they were prohibited from direct combat roles or assignments. In 1994, the Department of Defense officially banned women from serving in combat. The United States has more women in its military than any other nation.Do girls go to war in the a...
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Score: 4.8/5 (70 votes) Maximum likelihood estimation is a method that determines values for the parameters of a model. The parameter values are found such that they maximise the likelihood that the process described by the model produced the data that were actually observed.What is the meaning of m...
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Score: 4.8/5 (69 votes) NEFT stands for National Electronic Funds Transfer whereas RTGS is short for Real-Time Gross Settlement. NEFT is a payment system where the settlement of funds takes place in half-hourly batches. RTGS a payment system of continuous and real-time settlement of fund transfers.W...
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Score: 4.9/5 (73 votes) Though it would largely have depended on their size, ammonites would likely have eaten similar things to today's cephalopods, such as crustaceans, bivalves and fish. Smaller species would probably have eaten plankton. Some other species may have been scavengers, like liv...
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