A drop tower or big drop is a type of amusement ride incorporating a central structure or tower. Drop towers vary in height, passenger capacity, lift type, and brake type. Many are custom-made, although there are some mass-produced designs. Riders experience free-fall initially, followed by rapid heavy deceleration.
Pages per visit : How many pages the average visitor views Pages per visit X Average ad units X Impression CPM = Revenue per 1000 visitors A website serving an average of 3 pages per visit, each with 2 ad units and an impression CPM of $1 would therefore earn $6 per 1000 visits. But your impression CPM probably isnât $1. Prices paid on AdSense are dynamic.
Number of pages must be between 100 to 500 (both inclusive)The average number of pages per chapter should be 20. Average number can be deduced by dividing the number of pages by chapters.Must have only one writer and name of writer must start with Dr.