g Describe how contact metamorphism occurs. What is the cause (or agent) of contact metamorphism and what are the changes that are induced by this agent on the parent rock

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.