Why are Javan rhinioceoreos been killed?

What is the chemical composition of plant and animal? How many years earth will live? Can I own a Patagonian Cavy without a license? How large is a sharks eye? What are the signs of aggression in cows and how can farmers effectively manage and prevent aggressive behavior in their cattle? What factors affect carrying capasity? What does lmhro mean? What are some animals instincts? How long does a hornbill live for? What does the sea is a hungry lion mean? How do humans and animals bodies grow? Is chicken liver good for cats and can it be included in their diet? Why are the Japanese not keen to stop their practice of slaughtering dolphins? Taxonomy of a lion? How can you determine if a cat will have long hair? Why does my dog attack the broom? What is the life cycle of a blobfish? When did plants and animal first reach land? What is an animals born with instinct? What could be the cause of a red spot on a goldfish's head?