and about 3 meters tall and weigh about 400--600 kilograms. Seals are their main food. With enough food, they can live for up to 25 years. However, nowadays, the number of polar bears is ing smaller and smaller. There are only about 20,000 all over the world. Polar bears are endangered, but how can we help them?РThere are two ways of helping them. Firstly, stop people from hunting them. Some people are killing them just for their fur. It is cruel of them to do so! Secondly, Make sure to prevent global warming. It’s ing harder and harder for polar bears to catch seals because of the missing ice.РIn my opinion, we should know more about the knowledge of polar bears. It is good for us to protect the polar bears. РIf you don’t want to live in a world without polar bears, let’s take action now!
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