Exprese los vectores A = (Ax, Ay) = (–30.0 m, –50.0 m) y B = (Bx, By) = (30.0 m, 50.0 m) dando su magnitud y dirección como medidas desde el eje positivo x

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move. 

Answermuscle strength;

C) the periods  of day and night would be fixed all year for anyone at the  equator

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.