Category: Physics

What are the four main blood vessels? The major blood vessels connected to your heart are the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (which takes oxygen-poor blood from the heart to the lungs where it is oxygenated), the pulmonary veins (which bring oxygen-rich blood from the lungs to the […]

Are high luminosity stars rare? The volume of space included within a distance of 5000 light-years, however, is enormous; so even though highly luminous stars are intrinsically rare, many of them are readily visible to our unaided eye. Does Chemo age your face? The study authors said a wide-ranging review of scientific evidence found that: […]

What are the 4 biological rhythms? There are four biological rhythms: circadian rhythms: the 24-hour cycle that includes physiological and behavioral rhythms like sleeping. diurnal rhythms: the circadian rhythm synced with day and night. ultradian rhythms: biological rhythms with a shorter period and higher frequency than circadian rhythms. What happens if your circadian rhythm is […]

How much of the ice cube will be submerged below the surface of this liquid? 90% Why do you float more easily in the ocean than in fresh water? When salt is dissolved in water, as it is in ocean water, that dissolved salt adds to the mass of the water and makes the water […]

Why did Islam spread so quickly quizlet? Islam spread quickly because its leaders conquered surrounding territories. As Muhammad and the Muslim leaders that came after him conquered lands in the Middle East and beyond they spread the teachings of Islam. Islam spread quickly because its lands were well governed and orderly. How did Islam spread […]

What causes so much static electricity in my house? Static increases when the air gets cold and humidity drops. To stay warm in your home, you turn up the heat, further adding to a decrease in humidity and increasing static. Why do I get static shocks more than others? Secondly, you may be storing more […]

What does G pair with in DNA? The rules of base pairing (or nucleotide pairing) are: A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G) Is DNA base 2 or base 4? DNA is more 2-based […]

How do you convert C to F fast? If you find yourself needing to quickly convert Celsius to Fahrenheit, here is a simple trick you can use: multiply the temperature in degrees Celsius by 2, and then add 30 to get the (estimated) temperature in degrees Fahrenheit. How do you calculate C to F? To […]

Are cathodes positive? The anode is the electrode where electricity moves into. The cathode is the electrode where electricity is given out or flows out of. The anode is usually the positive side. A cathode is a negative side. Is cathode positive or negative in battery? The electrode of a battery that releases electrons during […]

Are fault lines dangerous? Major active faults such as the Hayward Fault are associated with many hazards. The most obvious hazard is that of large earthquakes, which induce ground shaking over a large area that can cause heavy objects to fall and windows to shatter, and can cause structural damage to buildings and bridges. How […]