Why do volcanoes erupt?____________________________________________________________________________________________________________________________________________________________________________________________________________________________4. What are the different types of volcanoes?__________________________________________________________________________________________________________________________________________________________________________________________________________________________II. Combine the following sentences to create a sentence without changing the meaning.1. An active volcano is a volcano that has had at least one eruption in the last 10,000 years. An active volcano could be erupting or dormant.2. A volcano is a mountain with an opening at the tip. Volcanoes contain a pool of molten rock beneath the earth's surface. 3. In typical waves, water flows in a circle. With a tsunami the water flows straight. III. Learn the phrases and their meaning. Phrases Meanings eagle eyes someone who sees or notices things easily like two peas in a pod similar appearance extremely thin bag of bones in the blink of an eye very quickly the pupil of the eye very precious Now fill in the blanks using idioms indicated