SUR
15. Photographs reveal active volcanoes on the moons of Jupiter
and Neptune and extinct volcanoes on Vents and Mars
Exercise 2 Underline each main clause. Add a comma or a semicolon as needed.
Peter has a great interest in volcanoes he hopes to become a volcanologist.
1. Volcanologists study volcanoes.
2. They had always hunted an active eruption and in 1980 they got their chance.
3. Mount Saint Helens is an active volcano in Washington but it had not erupted since
1847
4. In March of 1980, Mount Saint Helens began shaking moreover, its top began to bulge.
5. Scientists raced to Washington from around the world.
6. They knew the mountain would erupt but they could not tell when or how violently.
7. Officials kept people away from the mountain but some adventurous souls went anyway.
8. Mount Saint Helens erupted early on May 18, 1980 and more than sixty people were
killed
9. The destruction to the earth and wildlife was extreme the blast leveled 150 square
miles of forest.
10. The avalanche after the blast killed millions of animals and birds.
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