How long is piece string? Phrase. How long is a piece of string? (colloquial, often humorous, rhetorical question) Used as a response to a question such as “How long will it take?” or “How big is it?” when the length or size is unknown, infinite, variable, or relative. Is a piece of string infinite? But […]
What are the qualities of a good water?
What are the qualities of a good water? Qualities of Good drinking water It is odorless (does not have any smell) Does not contain any visible solid particles. It is not contaminated, no unhealthy toxins or chemicals. The water is rich in minerals. The water is tasteless. What are the five qualities of water? 2.2 […]
How do you tell if a transformer is step up or step down?
How do you tell if a transformer is step up or step down? Point to Remember: If input supply is given on the low voltage winding, then it becomes a step-up transformer. Alternately, if the input supply is provided on the high voltage winding, the transformer becomes a step-down one. How does a step up […]
What causes a battery to go flat?
What causes a battery to go flat? Batteries can fail for other reasons, like too much vibration from the engine, over-charging, corrosion and extreme temperatures. Flat batteries are the most common reason why cars won’t start in winter. All of them put strain on the battery. How do you keep a car battery from going […]
What hormones are released by the parasympathetic nervous system?
What hormones are released by the parasympathetic nervous system? The sympathetic nervous system (SNS) releases the hormones (catecholamines – epinephrine and norepinephrine) to accelerate the heart rate. The parasympathetic nervous system (PNS) releases the hormone acetylcholine to slow the heart rate. How do I calm my parasympathetic nervous system? Activating the Parasympathetic Nervous System to […]
How much mass does the Sun have in the solar system?
What is convergence in ICT?
What is convergence in ICT? Convergence refers to the fusing or coming together to gradually form something similar. “Convergence is a process by which telecommunications, information technology and the media, sectors that originally operated largely independent of one another, are growing together.” (Papadakis, 2007). Why Internet is the best example of technological convergence? Answer Expert […]
Can a glow stick kill you?
Can a glow stick kill you? Dibutyl phthalate has been reported to cause anaphylaxis and even death when ingested in large quantities, but the quantities in glow sticks are pretty minimal. There is no problem if the glow stick is swallowed whole, which seems like quite a feat. Is it safe to eat the stuff […]
How ATP is formed?
How ATP is formed? ATP is also formed from the process of cellular respiration in the mitochondria of a cell. This can be through aerobic respiration, which requires oxygen, or anaerobic respiration, which does not. Aerobic respiration produces ATP (along with carbon dioxide and water) from glucose and oxygen. What is the role of ATP? […]
Can auroras be dangerous?
Can auroras be dangerous? The Northern Lights occur so high up in the atmosphere that they don’t pose any threat to people watching them from the ground. The aurora itself is not harmful to humans but the electrically charged particles produced could have some potentially negative effects to infrastructure and technology. How often do auroras […]