¿cual es elemento de la familia b mas toxico?.... Question from @lizbeth1304

November 2018 1 24 Report

¿cual es elemento de la familia b mas toxico?

hernandezjpq Eso depende, recuerda que todos los elementos tienen isótopos radiactivos y eso los hace más peligrosos. En forma de elemento puro, el mercurio es uno de los más tóxicos. Se han registrado muchos casos de envenenamiento por mercurio que por otro elemento, claro, esto si no se sabe manejar.

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Match the rules about uses of the past simple and past progressive : 1.- this time the last sunday, i was swimming in the caribbean 2.- when i was a boy i often watched cartoons on tv 3.- it was cold and it was raining heavily 4.- michael lived in mexico from 1981 to 2006 5.- my former flatmate was always playing loud heavy metal music 6.- i bought a new cellphone yesterday 7.- the burglar opened the safe and took all the jewerly 8.- while we were having dinner, we heard a loud noise from upsairs 9.- sean was setting the table while his wife was making the salad. past simple is used for: cpmpleted actions that took place at a definite time in the past ( ) completed actions that happened one after the other in the past ( ) past habits or repeated actions in the past ( ) permanent situations in the past ( ) an action in the past that interrupted a longer action in progress ( ) past progressive is used for: an action that was in progress at a define time in the past ( ) an action in progress in the past that was interrupted by another action ( ) actions happening at the same time in the past ( ) setting the scene when narrating ( )

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lizbeth1304 November 2018 | 0 Replies

Porfavor una adivinanza con juego de palabras

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lizbeth1304 November 2018 | 0 Replies

¿ cual es el elemento mas caro de la familia b?

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Porfavor una adivinanza con juego de palabras

¿ cual es el elemento mas caro de la familia b?

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