A sharp knife is__ effective in cutting a fruit than a blunt knife​

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island