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Complete the following sentence with the correct verb conjugation in the Preterit tense. Lisa se _________________ muy elegantemente.  (vestir)

El Imperfecto: please complete the following sentence by selecting the correct verb form in the Imperfect Tense. Carlos y yo ______________ muchos problemas económicos. ( tener)

Complete the following sentences with the correct verb conjugation in the Preterit Tense. Carlos ____________________ toda la noche.  (dormir)

Complete the following sentence with the correct verb conjugation in the Preterit tense. José y yo ________________ que estudiar juntos.  (tener)

Eruptions on Hawaii are almost all – maybe all – effusive. But, eruptions in the Andes and in mountain ranges of Central America and the Cascades are often explosive. What is an effusive eruption?

Which are mechanisms that can cause rocks to melt to produce large volumes of magma? Choose all that are correct.

Where might you find sediment that was deposited in sloping layers? Choose all that are correct.

What materials make up a pyroclastic flow?

What can be produced by chemical weathering? Choose all that are correct.

Which of these may be kinds of chemical sedimentary rocks? Choose all correct answers.