Who discovered electromagnetic spectrum? In 1887 Heinrich Hertz demonstrated the existence of the waves predicted by Maxwell by producing radio waves in his laboratory. It took a bit longer for scientists to discover the higher-energy (shorter wavelength) light in the electromagnetic spectrum. Where is WIFI on the electromagnetic spectrum? Wifi occupies the radio frequency band […]
Which gas is important for life?
Which gas is important for life? Carbon dioxide and oxygen are the gases in the atmosphere that are needed for life. Plants need carbon dioxide for photosynthesis. They use sunlight to change carbon dioxide and water into food. The process releases oxygen. Which is the warmest layer of the atmosphere? thermosphere What is unit of […]
What is a respectable marathon time?
How do you find partial pressure of oxygen?
How do you find partial pressure of oxygen? The alveolar gas equation is of great help in calculating and closely estimating the partial pressure of oxygen inside the alveoli. The alveolar gas equation is used to calculate alveolar oxygen partial pressure: PAO2 = (Patm – PH2O) FiO2 – PaCO2 / RQ. Which gas Cannot be […]
What RPM is most fuel efficient?
What RPM is most fuel efficient? In general, the economical band for petrol vehicles is between 1,500 and 2,500 rpm (for diesels it is between 1,300 rpm and 2,000 rpm), and these bands are the same for the vast majority of vehicles, Sale says. “The exception to the rules are vehicles which have either a […]
Is international system of units?
Is international system of units? The International System of Units (SI), commonly known as the metric system, is the international standard for measurement. The International Treaty of the Meter was signed in Paris on May 20, 1875 by seventeen countries, including the United States and is now celebrated around the globe as World Metrology Day […]
What is the concave rule?
What is the concave rule? If the moving joint surface is CONVEX, sliding is in the OPPOSITE direction of the angular movement of the bone. If the moving joint surface is CONCAVE, sliding is in the SAME direction as the angular movement of the bone. What are the types of mobilization? The following 7 types […]
How does smog kill you?
How does smog kill you? The ozone layer high up in the atmosphere protects us from the sun’s dangerous ultraviolet radiation. Ozone can damage lung tissue, and it is especially dangerous to people with respiratory illnesses like asthma. Ozone can also cause itchy, burning eyes. Smog is unhealthy to humans and animals, and it can […]
Can a bug go inside your eye?
Can a bug go inside your eye? The transparent cornea of the eye contains many fine nerve fibers, which react very sensitively to touch and injury. That’s why it’s so uncomfortable when a foreign object like a grain of sand or a small insect enters the space between your eyeball and your eyelid, or gets […]
Who is responsible for creating the WBS?
Who is responsible for creating the WBS? A work breakdown structure cannot be developed in isolation. Rarely can one person know everything required to complete a project, least of all a project manager, who may not be a subject matter expert. Creating the WBS is a team effort. Which of the following is a planning […]