Category: Physics

Why does the ocean appear blue in color? The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see. The ocean may also take on green, red, or other hues as […]

Is glucose stored in the liver? Glucose is the main source of fuel for our cells. When the body doesn’t need to use the glucose for energy, it stores it in the liver and muscles. This stored form of glucose is made up of many connected glucose molecules and is called glycogen. Where is the […]

What is the Kremer prize? The Kremer prizes are a series of monetary awards, established in 1959 by the industrialist Henry Kremer, that are given to pioneers of human-powered flight. The competitions and prize awards are administered by the Royal Aeronautical Society’s Human Powered Flight Group. Is human powered flight possible? Human-powered aircraft have been […]

What is the difference between primary and secondary pollution? Definition: A primary pollutant is an air pollutant emitted directly from a source. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. What is secondary pollution? Secondary pollutants are pollutants which form in the atmosphere. […]

What is the strongest intermolecular force possessed by HCl? dipole dipole interaction Why do the following two molecules having the same formula C 3h 8o have such different boiling points? Why do the following two molecules, having the same formula (C3H8O), have such different boiling points? -The hydrogen bonding of propanol is stronger than the […]

Which element is most likely able to make the greatest variety of bonds? nitrogen What do atoms do with their electrons in order to form covalent bonds? Covalent bonding occurs when pairs of electrons are shared by atoms. Atoms will covalently bond with other atoms in order to gain more stability, which is gained by […]

What is an example of sphere of influence? The term is also used to describe non-political situations, e.g., a shopping mall is said to have a ‘sphere of influence’ that designates the geographical area where it dominates the retail trade. Why is the sphere of influence important? Why Is a Sphere of Influence Important? Regardless […]

How do you use here it is? Is it “here is” or “here are”? There is no single correct answer, and it all depends on the noun that follows. If the succeeding noun is singular, then you should use “here is.” For example, “here is the spoon” and “here is an offer” are both correct. […]

What is a star simple definition? (Entry 1 of 3) 1a : a natural luminous body visible in the sky especially at night. b : a self-luminous gaseous spheroidal celestial body of great mass which produces energy by means of nuclear fusion reactions. How do you describe stars? Here are some adjectives for star: unremarkable […]

Should you drink bottled water that has been left in a car? Some researchers who study plastics recommend against drinking water from plastic bottles that have been sitting in hot places for a long time — such as a car sizzling in the sun — concerned that the heat could help chemicals from the plastic […]