The flat-lying sedimentary rocks in the Grand Canyon that record the coming and going of the seas are primarily in age.

Ithink the answer is ,temperature,pressure, and chemical changethey are identified by texture,streak,and locationthere are three ways that metamorphic rocks can form contact, regional,and dynamic metamorphism good luck, all this came right outta of the book

The cause of the intolerable acts was king george was furious about the boston tea party and closed the harbor and took away their self government until all the tea was paid for. the effect was these acts just stirred up more british hating feelings. now people in all 13 colonies were angry. b.

Is this science or geogrpahy ? ? a little confused