Match the following plate boundary with the appropriate phase This boundary is n

Question

Match the following plate boundary with the appropriate phase This boundary is normally devoid of volcanism VIChoose ] transform divergent convergent where subduction zones occur where the lithosphere is sinking into the mantle IChoose ] plates are sliding past one another horizontally IChoose ] characterized by basaltic volcanism and seafloor spreading IChoose ] the west coast of South America IChoose ] Question 70 1 pts Why do magmas rise towards Earth's surface? O magmas are more viscous than solid rocks in the crust and upper mantle most magmas are richer in silica that most crustal and upper mantle rocks magmas are mainly liquid and contain dissolved fluids such as water; most are less dense than the adjacent solid O rock O all of the above

Explanation / Answer

Q1) This boundary is normally devoid of Volcanism

Answer - Transform

Q2) Where subduction zones occur

Answer - Convergent

Q3) Where the Lithosphere is sinking into the mantle

Answer - Convergent

Q4) Plates are sliding past one another horizontally

Answer - Transform

Q5) Characterized by basaltic volcanism and sea-floor spreading

Answer - Divergent

Q6) The West Coast of South America

Answer - Convergent (Nazca plate subducting under South American plate)

Q70) Why do magmas rise to the earth's surface?

Answer - Magmas are mainly liquid and contain dissolved fluids such as water, most are less dense than the adjacent solid rock

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