Category: Engineering

What country did salt originate from? The earliest evidence we have for people producing salt comes from northern China, where people seem to have been harvesting salt from a salt lake, Lake Yuncheng, by 6000 BC and maybe earlier. Who started using salt first? Salt production has been important in China for two millennia or […]

How long does it take for African violets to root? about 3-4 weeks How do African violets multiply? Cut off an African violet leaf with its stalk. Slide the stalk into the rooting mix and a new plant will form at the base of the stalk. Or cut off the far half of an African […]

What 2 countries border the Baltic on the East and West? Encyclopædia Britannica, Inc. The Baltic states are bounded on the west and north by the Baltic Sea, which gives the region its name, on the east by Russia, on the southeast by Belarus, and on the southwest by Poland and an exclave of Russia. […]

What is the difference between excision and debridement? Excisional debridement is the sharp removal of tissue at the wound margin or at the wound base until viable tissue is removed. Selective debridement (CPT codes 97597-97598) is the removal of nonviable tissue. Unlike excisional debridement, the physician removes no living tissue in a selective debridement. What […]

Does mole have an accent mark? Mole Sauce — Mexican Sauces. Mole is the name for several sauces used in Mexican cuisine, as well as for dishes based on these sauces. The accented form molé, occasionally seen in English, is an error of hypercorrection, as the accent in mole is on the ‘o’, and no […]

How do you get your parents to let you open a present early? If you really want to open one present early, do not approach them by whining about what you want. Say something like, “I want to start a new holiday tradition where we all open one gift on (whatever day you have chosen). […]

What is a good birthday present for a girl? Our gift guide has some stand-out ideas for all the ladies in your life. Birthday Box. French Macarons. Monogram Kate Spade Necklace. Cheese Plate. Personalized Birthday Box. Bandolier. Silk Pillowcase and Mask Gift Set. Personalized Trinket Dish. What constitutes a good gift? Giving something that reflects […]

How do you know which end of the worm is the head? The head of a worm is always located on the end closest to the swollen band, called the clitellum, that encircles the animal. If an earthworm is split in two, it will not become two new worms. The head of the worm may […]

What does GAC remove from water? A filter with granular activated carbon (GAC) is a proven option to remove certain chemicals, particularly organic chemicals, from water. GAC filters also can be used to remove chemicals that give objectionable odors or tastes to water such as hydrogen sulfide (rotten eggs odor) or chlorine. Does GAC remove […]

What medications can affect hair coloring? Other drugs, such as p-aminobenzoic acid, calcium pantothenate, anthralin, chinoform, mephenesin, minoxidil, propofol, valproic acid, and verapamil await confirmatory data. Drug-induced causes should be considered in any patient with unexplained hair colour changes. Can drugs change your hair color? Systemic medications may cause hair loss or hypertrichosis, while hair […]