Answer:
Great white sharks start their attack using their extraordinary senses like the electrosense, which allow them to detect prey from long distances.
Later great white sharks use their smell and hearing to further verify that the prey is eatable.
At the end, great white sharks will visually verify their food and in some occasions they will even test it.
This kind of sharks usually surprise their prey from below with a quick and lethal single attack.
Links to other pages in this site
What Is A Whale Shark?
How Do Sharks Breed?
What Is The Largest Shark In The World?
Where Does A Whale Shark Live?
Why The Great White Shark Is Endangered?