Calcula la fuerza ascendente que experimenta un cuerpo de madera, de densidad 0.6 g/mL, de 1dm3 de volumen cuando lo sumergimos en agua (d= 1g/cm3).

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?