What is negative control vs positive control?

What is negative control vs positive control? A negative control is a control group in an experiment that uses a treatment that isn’t expected to produce results. A positive control is a control group in an experiment that uses a treatment that is known to produce results. Who has the best drinking water in the […]

What is the thermoelectric power?

What is the thermoelectric power? The conversion of thermal energy into electrical energy. Thermoelectric generation relies on a fuel source (e.g. fossil, nuclear, biomass, geothermal, or solar) to heat a fluid to drive a turbine. What is thermoelectric diagram? Thermo-electric Diagram. A diagram indicating the change in potential difference for a fixed difference of temperature […]

What was the first plane to break sound barrier?

What was the first plane to break sound barrier? Bell X-1 Did Spitfire break sound barrier? A Spitfire very nearly broke the sound barrier in 1944. In the 1930s a small number of aero-engineers recognized that the piston-engine and propeller were providing diminishing returns. For the aircraft to go supersonic the whole propeller would have […]

Is geothermal a source of electricity?

Is geothermal a source of electricity? Geothermal energy is a renewable energy source because heat is continuously produced inside the earth. People use geothermal heat for bathing, to heat buildings, and to generate electricity. Is geothermal energy harmful to humans? When done properly, yes. As with any industrial project there are risks involved, but when […]

What is the pH of NaCl?

What is the pH of NaCl? β‰ˆ7 Does NaCl increase pH? Does NaCl change pH? I said No, because NaCl is a neutral salt and doesn’t affect the pH. Today, I make an experiment and realized that when I prepare 1M NaCl solution in 25mM Sodium Phosphate buffer (pH=7.5), NaCl lowered (change) the pH from […]

Do humans and plants share a common ancestor?

Do humans and plants share a common ancestor? Originally Answered: Do plants and humans have a common ancestor? Yes. The last common ancestor would have been an early eukaryote protist, around 2 billion yeras ago. What is the most intelligent single celled organism? This Single-Celled Animal Makes Complex ‘Decisions’ Even Without a Nervous System. In […]

What is the greatest distraction when driving?

What is the greatest distraction when driving? Talking and texting. People who use their cell phones to talk or text while driving are by far the most common reason for distracted driving accidents. In fact, the National Safety Council estimates that 26% of all car crashes involve cell phones. What are 5 10 things that […]

What is B in a sine function?

What is B in a sine function? The value B is the number of cycles the graph completes in an interval of from 0 to 2Ο€ or 360ΒΊ. The value B affects the period. The period of sine and cosine is. . When 0 < B < 1, the period of the function will be […]

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