Why do stars die? Stars die because they exhaust their nuclear fuel. Really massive stars use up their hydrogen fuel quickly, but are hot enough to fuse heavier elements such as helium and carbon. Once there is no fuel left, the star collapses and the outer layers explode as a ‘supernova’. How stars are born […]
What is the first sign of tsunami?
What is the first sign of tsunami? One of the signs of a potential tsunami is the occurrence of a very large earthquake that lasts for more than 20 seconds. If an area has been shaken by a very large earthquake, one should be on alert that shorelines located within the radius of the earthquake’s […]
Does friction exist when an object is not moving?
Does friction exist when an object is not moving? When a frictional force exists but there is no relative motion of the surfaces in contact (e.g., the book isn’t sliding across the table), we call it a static frictional force. Can a frictional force prevent an object from moving at all name it? Answer. Static […]
How do you make EMF?
How much water do you exhale each day?
How was the Triassic Period unique?
How was the Triassic Period unique? The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups of animals that would go on to rule the planet for tens of millions of […]
What are the 10 major principles of training?
What are the 10 major principles of training? Your Guide to Basic Training Principles Training Principle 1: Overload. Training Principle 2: Progression. Training Principle 3: Recovery. Training Principle 4: Specificity. Training Principle 5: Reversibility. Training Principle 6: Individual Response to Training Stimulus. What are the four principles of training? In order to get the maximum […]
Which is the more reactive element?
Which is the more reactive element? Cesium Which elements are highly reactive? The halogens, alkali metals, and alkaline earth metals are highly reactive. The most reactive element is fluorine, the first element in the halogen group. The most reactive metal is francium, the last alkali metal (and most expensive element). The least reactive elements are […]
What are the steps in the price procedure?
What are the steps in the price procedure? The five-step process for treating a muscle or joint injury such as an ankle sprain is called “P.R.I.C.E.” which is short for Protection, Rest, Ice, Compression, and Elevation). What is the pricing process? The six stages in the process of setting prices are (1) developing pricing objectives, […]