Classify each of the following as a pure substance or a mixture: a soft drink a cheese sandwich salt substitute (KCl) propane (C3H8) an iron (Fe) nail. Pure Substance An iron Nail propane salt substitute Mixture A soft Drink A cheese sandwich.
Shark is the largest sea mammal in the world. There are a lots of shark species which are present in different oceans of the world. Among these shark species Whale Shark is the biggest shark in the world. Here is the list of names of largest sharks in the world with their habitat info.
The Megalodon is an extinct species of shark. The largest species of shark to have ever lived is thought to be the Megalodon. This species is now extinct. It is believed to ha â¦ ve existed during the prehistoric era, and has not lived for millions of years. It is thought that this giant shark could measure up to 59 feet long (18 metres).