achewitt3965
19.11.2019 •
Chemistry
Light travels at 2.9979 x 1010 cm/s. how far would light travel in a year
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Ответ:
la migracion de trabajadores la separacion de los miembros de la familia las largas horas de trabajo y el hacinamiento que resulta de la industrializacion pueden conducir a tensiones sociales y enfermedades debido a la mala nutricion y el estres