Which material does sound travel fastest through? How fast speed travels, or the speed of sound, depends on the kind of matter it is moving through. Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids. Can you hear sounds better […]
Why COP of heat pump is more than refrigerator?
What are the four main parts of the sun?
Do light bulbs have high or low resistance?
Do light bulbs have high or low resistance? Incandescent light bulbs have a small filament which when heated begins to glow and emit light. The reason the filament heats up is because it has a high resistance, which means that as electrons move through the filament, they lose a lot of energy. Does a brighter […]
What does it mean when systolic is high and diastolic is low?
What does it mean when systolic is high and diastolic is low? Isolated systolic hypertension is when your systolic blood pressure is high, but your diastolic blood pressure is normal. It can occur naturally with age or can be caused by a variety of health conditions including anemia and diabetes. ISH should still be treated […]
Does saltwater freeze?
Does saltwater freeze? Ocean water freezes just like freshwater, but at lower temperatures. Fresh water freezes at 32 degrees Fahrenheit but seawater freezes at about 28.4 degrees Fahrenheit , because of the salt in it. When seawater freezes, however, the ice contains very little salt because only the water part freezes. Why do oceans not […]
Is burning 300 calories a day good?
Is burning 300 calories a day good? The participants who exercised for 30 minutes a day, burning 300 calories, lost an average of 7 pounds. It doesn’t seem to make mathematical sense, but neither do your hunger habits. Researchers found that participants in the 600-calorie category were eating more in each meal and snack. How […]
What is order triage?
What is order triage? Order triage. Refers to classifying orders according to preestablished guidelines so that a company can prioritize how orders should be filled. Pick-to-light technology. In which orders to be picked are identified by lights placed on shelves or racks. Which forecasting technique tends to be appropriate when there is little or no […]
Which Shield Life is harmful?
Which Shield Life is harmful? The ozone layer in the stratosphere shields life on Earth from most UV-B and UV-C, the most harmful varieties of ultraviolet radiation. What is Earth’s atmosphere made of? The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts […]
What happens when mercuric oxide and potassium nitrate are heated?
What happens when mercuric oxide and potassium nitrate are heated? When mercuric oxide is heated, it decomposes to give mercury and oxygen. Potassium nitrate on heating gets converted into molten potassium nitrite with the release of oxygen. What Happens When mercuric oxide is subjected to heating? Mercury(II) oxide, a red solid, decomposes when heated to […]