Условие:

Say if it is true or false. 1) Russia was the first country in the world to send man into space. 2) Dmitry Mendeleev worked on radioactivity all his life. 3) Earth is not the biggest planet in the solar system. 4) Russian cosmonauts landed on the Moon in 1969. 5) Isaac Newton lived in the 17th century and studied physical laws. 6) Platinum is the most expensive metal in the world. 7) Ivan Pavlov had a lot of discoveries in the field of atomic energy. 8) On the Earth, an astronaut in his spacesuit weighs about 135 kg. But on the Moon he is six times heavier. 9) Alexander Popov invented the radio in 1895. 10) The first living being in space was a cat called Barsik that orbited the Earth on the Soviet spaceship in 1957. 11) Valentina Tereshkova was the first woman cosmonaut to travel into space. 12) American astronauts landed on the Moon in 1982.

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