Do constellations really affect our lives? Astrology purports that astronomical bodies have influence on people’s lives beyond basic weather patterns, depending on their birth date. This claim is scientifically false. Numerous scientific studies have disproven that astronomical bodies affect people’s lives according to their birth date. What causes constellations to appear to move? Why Do […]
Can a hurricane change direction?
Can a hurricane change direction? By the time a hurricane reaches North America, it generally curves into a northerly direction, as a result of the Coriolis force (which forces a counterclockwise rotation) and steering winds at higher levels. Normal storms, on the other hand, move west to east due to the strong jet stream. Which […]
Who makes the hardest lead shot?
Who makes the hardest lead shot? Remington STS Is shotgun shot pure lead? These days, pure lead is seldom seen in shotgun pellets. That’s a good thing. Pure lead is so soft it deforms if looked at hard. Shot is often “Hardened” by alloying with Antimony, Premium shot is often as much as 6% Antimony, […]
Which of the following is the best example of a natural monopoly?
Which of the following is the best example of a natural monopoly? Definition: A natural monopoly occurs when the most efficient number of firms in the industry is one. A natural monopoly will typically have very high fixed costs meaning that it is impractical to have more than one firm producing the good. An example […]
What are three metal properties?
What are three metal properties? Properties of metals high melting points. good conductors of electricity. good conductors of heat. high density. malleable. ductile. What are called metals? In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Most elements on this line are metalloids, sometimes called semi-metals; elements […]
What keeps a rocket going straight?
What keeps a rocket going straight? The aerodynamic shape of the nose cone helps prevent air from slowing the rocket. The fins help guide the rocket to fly straight. Finally, the propellant system includes a mixture of fuel and a chemical called an “oxidizer” that gives off oxygen. The fuel and oxidizer burn together to […]
What is the pitch of a typical female voice?
What is the pitch of a typical female voice? 165 to 255 Hz Which voice pitch is most attractive? Studies found that male speakers were perceived as more attractive when showing lower pitch [1], [2], [3], [4], [5], whereas studies of female voices found that either higher pitch [6], [7], [4], [5] or lower pitch […]
Which substance is above blue litmus to red?
Which substance is above blue litmus to red? Sodium hydroxide turns blue litmus red. How does litmus paper test work What is the limitation of litmus test? The litmus test is quick and simple, but it suffers from a few limitations. First, it’s not an accurate indicator of pH; it does not yield a numerical […]
Why do traveling sound waves get louder as they get closer?
Why do traveling sound waves get louder as they get closer? As distance from the sound source increases, the area covered by the sound waves increases. The same amount of energy is spread over a greater area, so the intensity and loudness of the sound is less. This explains why even loud sounds fade away […]
What will happen if the Earth is bigger than its current size?
What will happen if the Earth is bigger than its current size? First, if the Earth is bigger that its current size, it would also gain a stronger magnetic field and greater gravitational pull because of the additional mass, and this is a bad news for us, because lifting an object would be so much […]