Category: Psychology

What is periscope mention its principle and uses? A periscope is an optical instrument that uses a system of prisms, lenses or mirrors to reflect images through a tube. Light from a distant object strikes the top mirror and is then reflected at an angle of 90 degrees down the periscope tube. What is a […]

What were common diseases in the 1800s? Diseases and epidemics of the 19th century included long-standing epidemic threats such as smallpox, typhus, yellow fever, and scarlet fever. In addition, cholera emerged as an epidemic threat and spread worldwide in six pandemics in the nineteenth century. What was the leading cause of death in the 1800s? […]

What symmetry does a heart have? reflection symmetry How do you know if a shape has rotational symmetry? A shape has rotational symmetry when it can be rotated and it still looks the same. The order of rotational symmetry of a shape is the number of times it can be rotated around a full circle […]

Can a bad MAF sensor cause smoke? A faulty MAF sensor can cause your vehicle to run too rich or run too lean. You’ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. You may also notice you’re filling up at the gas station more than usual. What is […]

Who produces for Jaden? The album debuted at number 24 on the U.S. Billboard 200 for the chart dated December 9, 2017….Track listing. No. 1. Title “B” Writer(s) Jaden Smith Peder Losnegård Producer(s) Lido Length 3:06 Is Jaden Smith done with music? “I’m still going to make music because I invent new songs,” he assures […]

Who created the first movable type printing press? Johannes Gutenberg Where did the first printing press start in England? Bringing the knowledge back to England, he set up the country’s first-ever press in The Almonry area of Westminster in 1476. Who invented printing in England? William Caxton Who was the first printer in England? When […]

What artists use recycled materials? 13 Incredible Artivists Using Recycled Materials in Their… Barefooted Welder | Scrap metal sculptor from Australia. HA Schult | Sculptures made out of garbage. Robert Bradford | Sculptures made out of recycled toys. Steven Rodrig | PCB sculptures using discarded electronics. Guerra de la Paz | Sculptures made of recycled […]

How can a teen start a love story? Start with one of your two main characters. Readers expect the first character they meet in the story to be either the hero or the heroine (and most often it is the heroine), and they’re immediately prepared to care about this person. What are some good story […]

What is a perforation error on a stamp? Imperforate errors: Sometimes referred to as a perforation error, this occurs when perforations are missing from one or several sides of a stamp. Perforations are a series of small holes or apertures which are designed to enable easier separation of the stamps in a sheet. How do […]

What is a tribute speech at a funeral? A memorial tribute is a speech given at a funeral or memorial service, usually by someone close to the person who died. It may include a brief history of life, personal memories, anecdotes, interests or hobbies, and favorite quotes. Preparation is important , especially because of the […]