Questions

Direct method,

 Subtraction method,

 Modulo-Division method,

 Digit-Extraction method,

 Mid-Square method,

 Folding method,

Pseudo-random method

The triangle is a caribbean shape that makes ships disappear.

Devils tower is located in black hills of crook county of north eastern whyoming .It was the first declared United States National Monument.

Drowsiness is the state of feeling sleepyness and tired in the day time. It affects our senses especially the sense of vision.

When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.