Earth's craters are enduring testaments to direct asteroid hits. And though millionsâin some cases billionsâof years of erosion have made it difficult to determine the exact size of the meteorites, there is a general scientific consensus around the world's largest craters, which mark the largest asteroid impacts. Here are the ten biggest known: 1. Vredefort Crater.
Quick Answer. Tiger sharks have a row of 24 teeth in their upper jaw and a matching set of 24 teeth in the lower jaw, totaling 48 teeth. Tiger sharks have a square jaw structure, and each of their teeth are built with cutting and sawing mechanisms. Continue Reading.
Great White Shark Teeth Facts. The great white shark, also known as Carcharodon carcharias, has a gray and white belly and is the largest predatory fish on earth. It lives an estimated 30 to 40 years and, in maturity, it can reach up to 20 feet in length and weigh up to 5,000 pounds.