tamorphism is caused by high temperature and high pressure enacted over a large volume
crust?
A. Burial
B. Contact
C. Pyroclastic
D. Regional
26. Which of the following is a factor affecting metamorphic rock which creates lineation?
A. Density
B. Heat
C. Pressure
D. Temperature
27. What is the main factor of contact metamorphism?
A. Density
B. Heat
C. Pressure
D. Temperature

28. What happens to the molten rocks when they reach the Earth's surface?
A. They flow continuously.
C. Their temperature remains the same.
B. They cool down and solidify.
D. They remain semi-liquid molten rocks.
B 29. Which type of igneous rock forms from lava on Earth's surface?
A. Clastic
B. Extrusive
C. Intrusive
D. Non-clastic​