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.
The whale shark can reach a length of 40 feet or more and weighs 20 or more tons. The whale shark can have between 300-350 rows of teeth at one time. Females can have up to 300 shark pups at one time! Whale sharks can live up 100 years of age, but donât become sexually mature until their early 30âs.