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Victoria G. Christensen
Victoria G. Christensen is a geologist and a hydrologist with over 20 years of experience, who writes on a variety of scientific and engineering topics for children. She lives in F...ver másVictoria G. Christensen is a geologist and a hydrologist with over 20 years of experience, who writes on a variety of scientific and engineering topics for children. She lives in Fargo, North Dakota, with her husband and three great kids.ver menos
Libros de Victoria G. Christensen
How Batteries Work How Conductors Work Calificación: 0 de 5 estrellas0 calificacionesHow Sensors Work Calificación: 0 de 5 estrellas0 calificaciones