The ratio of the height to the width is 5 to 19. The new height is 2.5 which is half of 5. So the new width must be half of the original ratio. So the width is 19/2=9.5 inches
Biological warfare (germ warfare) is the use of toxins or infectious bacteria, viruses, and fungi with the intentions to kill or infect humans, animals, plants, or any living thing as an act of warfare.
