Read the text. Is the statement below true, false or not stated? Choose the correct answer.
Many places in our world are becoming hotter. More and more ice is melting at the north and south poles, and with less ice there are fewer and fewer polar bears. The weather on our planet is difficult to control. Here’s a very interesting example of our world’s strange weather: one Roman man called Pliny the Elder wrote about frogs raining from the sky about two thousand years ago. Can this be true? Yes, it can! Frogs and fish can sometimes ‘rain’. A storm brings strong winds which pick up frogs and fish into clouds and carry them over land where they fall down.

There are two million polar bears in the world. ...