Mount Shasta located in the Cascade Range in Northern California What type of plate boundary is it associated with (convergent, divergent, or transform)?

Answer light in color; silica-rich;

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

Pretty ssure the answer re her answer is b hope this : )