Un niño está participando en una feria de entretenciones y en uno de los puestos hay un concurso en el que debe encontrar lo más rápido posible una bolita de hierro escondida en un montón arena. ¿Qué método debería utilizar para sacarla? *

What is an example of a physical property?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m