Lethal injection gained popularity in the late 20th century as a form of execution intended to supplant other methods, notably electrocution, hanging, firing squad, gas chamber, and beheading, that were considered to be less humane. It is now the most common form of execution in the United States.
Confidence votes 48. Mount Everest is the highest mountain in the world when measured from sea level at 29,029 ft. However Mount Mckinley is taller than Everest when measured from base to summit at 18,400 ft, versus everest's 17,100 ft.
Confidence votes 24. The Tiger is the bigger, considering the Siberian Tiger subspecies is the largest subspecies of Tigers on average. The average Siberian male, stands four feet tall, at the shoulder, weighing in the range of 450 to 600 pounds and measures six to eight feet long, excluding the tail.