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Haroun Tazieff, the Polish scientist, (1)_____________________________. In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kivuro. Tazieff was able to set up his camp very close to the volcano while it was erupting violently. Though he managed to take a number of brilliant photographs, he could not stay near the volcano for very long. (2)_____________________. It threatened to surround him completely, but Tazieff managed to escape just in time. He waited until the volcano became quiet and he was able to return two days later. This time, (3)____________________________. Tazieff has often risked his life in this way. He has been able to tell us more about active volcanoes than any man alive.
has spent his life time study in active volcanoes and deep caves in all parts of the world
He noticed that arriver of liquid rock was coming towards him
he manage to climb into the mouth of Kivuto so that he could take photographs in major?? temperatures
