Is fire fighter one or two words? The word fireman is older than firefighter, which first appeared in the late 19th century, and for a long time it was much more commonly used. These days, it’s more accurate to use firefighter, since men and women both work for fire departments battling fires. Who is a […]
Is menthol an alcohol?
Is menthol an alcohol? Menthol is an alcohol produced from mint oils or prepared synthetically. Menthol is a covalent organic compound made synthetically or obtained from peppermint or other mint oils. What elements are in menthol? menthol, also called peppermint camphor, terpene alcohol with a strong minty, cooling odour and taste. It is obtained from […]
Who invented the flap disc?
Who invented the flap disc? TAF ABRASIVI What is a flapper disc? Flap discs are used to conform and shape metal. They have densely layered abrasive cloth flaps that can shape certain metals while leaving a finished look. They are most commonly used in welding, machining, heavy-duty equipment, industrial maintenance, agriculture and food production. What’s […]
What is the difference between Tenebrism and chiaroscuro?
What is the difference between Tenebrism and chiaroscuro? Tenebrism is used only to obtain a dramatic impact while chiaroscuro is a broader term, also covering the use of less extreme contrasts of light to enhance the illusion of three-dimensionality. What does Tenebrism mean in art? darkened and obscuring What is the difference between chiaroscuro and […]
What does Clara Barton go on to found?
What does Clara Barton go on to found? Clarissa Harlowe Barton (December 25, 1821 – April 12, 1912) was an American nurse who founded the American Red Cross. She was a hospital nurse in the American Civil War, a teacher, and a patent clerk. What organization founded by Clara Barton in 1881 is still used […]
Are donuts bad for your heart?
Are donuts bad for your heart? When this happens the blood sugar is converted into fat tissue and stored in adipose cells because the body needs to protect the kidney, eyes, and nerves from continued elevations of blood sugar. This increase in fat tissue isn’t the only reason that eating donuts regularly can cause heart […]
What is the food chain in the marine ecosystem?
What is the food chain in the marine ecosystem? The marine ecosystem is made up of a complicated series interconnected energy producers—like plants and photoplankton—and consumers—from plant-eaters to meat-eaters, both great and small. What is the top of the ocean food chain? The orca, or killer whale is at the top of the marine food […]
What advice does Laertes give to Ophelia and why?
Why do hamsters not sleep at night?
Why do hamsters not sleep at night? It’s only natural for hamsters to not sleep at night, because they’re nocturnal. Wrapping or covering your hamster’s cage and making his environment darker won’t encourage him to sleep. Darkness encourages these little rodents to be awake, after all. Is it OK if your hamster sleeps at night? […]
How does cold temperature affect seed germination?
How does cold temperature affect seed germination? If a seed is damaged by cold temperatures, drowns or dries out after germination begins it is not likely to survive and grow. Germination is directly related to moisture and temperature. Seeds cannot germinate without moisture – this is why pre-soaking seeds speeds sprouting. How does temperature impact […]