Who is the father of fingerprints?

A. Sir Francis Galton’s B. HM Smith C. Marcelo Malpighi D. Dr Nehemiah Galton was the first to develop the fingerprinting system. He based his 3-point identification system on the work collected by Sir William J. Herschel, whose collection began in 1857 when he aggressively forced a building supplier to place his handprint on the back … Read more

BTU is a unit of________?

A. Force B. Magnetic flux C. Energy D. None of these BTU stands for British Thermal Unit, which is a unit of energy. It is commonly used to measure the amount of heat energy required to raise the temperature of one pound of water by one degree Fahrenheit. BTUs are frequently used in various applications, … Read more