Why do we need to conserve energy? First of all, reducing energy use limits the number of carbon emissions in the environment. In turn, conserving energy produces a higher quality of life. Reduced emissions result in cleaner air quality. In addition, it helps create a healthier planet, or at least helps sustain the resources we […]
Which is better AC or DC current?
Which is better AC or DC current? DC power is significantly more energy efficient than AC power. DC motors and appliances have higher efficiency and power to size characteristics. DC-based lighting (LED) is as much as 75% more efficient than incandescent lighting. Is AC safer than DC? A.C. is said to be four to five […]
What are the basic steps in transforming sound waves?
What are the basic steps in transforming sound waves? The outer ear collects sound waves, which are translated into mechanical waves by the middle ear and turned into waves in the inner ear. The auditory nerve then translate the energy into electrical waves and sends them to the brain, which perceives and interprets the sound. […]
What type of evidence is a shoe print?
What type of evidence is a shoe print? Footwear evidence can be found in two forms, impressions and prints. The impression is normally described as a three-dimensional impression, such as an impression in mud or a soft material; and the print is described as a print made on a solid surface by dust, powder, or […]
Is it harder to draw or paint?
Is it harder to draw or paint? Many people consider painting to be more difficult than drawing because most artists learn to draw first. You start out drawing, which makes it seem only natural that painting is a more advanced technique. If most artists started out painting first, then the general consensus would probably be […]
What is an example of a mirage?
What is an example of a mirage? An example of a mirage is when you believe you see water or a ship in the desert when it isn’t really there. An optical phenomenon that creates the illusion of water, often with inverted reflections of distant objects, and results from distortion of light by alternate layers […]
What is positive and negative temperature coefficient?
What is positive and negative temperature coefficient? A positive coefficient for a material means that its resistance increases with an increase in temperature. A negative coefficient for a material means that its resistance decreases with an increase in temperature. What are the applications of P and N-type semiconductors? Diode is a combination of n-type and […]
What type of alcohol is there?
What type of alcohol is there? The Different Types of Alcohol Fermented Beverages: Distilled Beverages: Beer. Wine. Liquor. Liqueurs. Cocktail Bitters. Alcopops (RTDs – Ready to Drink) What is the most popular alcoholic drink? 21 Classic Drinks to Order at a Bar Old Fashioned. Getty Images. There may be no better test of a bartender’s […]
What is the perfect male body shape?
What is the perfect male body shape? According to several studies on what the ideal male body looks like, “The physique of a slim waist, broad shoulders and muscular chest are often found to be attractive. A near-universal sexually attractive feature of a man is a V-shaped torso: a relatively narrow waist offset with broad […]
Are whales friendly?
Are whales friendly? From a historical perspective, whales do appear to be non-aggressive. Their relatives, the dolphin’s species, tend to be very friendly and curious towards humans, often displaying a desire to greet and meet people. Is it illegal to touch a whale? It is illegal, she said, for a person to come within 300 […]