Find the mistake.

Sylvia Earle, an underwater explorer and marine biologist, who was born in the USA in 1935.

Choose the best answer.

He talked about his incredible experience of being _____ space, looking down on the Earth.

Choose the word CLOSEST in meaning to the underlined part.

The local government tried to play down the seriousness of the disaster.

Choose the best answer.

Scientists now understand _____.

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Known worldwide by its panda logo, World Wildlife Fund (WWF) is dedicated to protecting _____ world's wildlife and the rich biological diversity that we all need to survive.