That is because metamorphic rock is formed by parent rocks that are either sedimentary rock or igneous rocks and we can use the former rock type to distinguish the type of metamorphic rock, marble was igneous rock exposed to high pressure or temperature.
While the other two type of rocks are formed initially by sedimentation and volcanic movements and has no parent rocks.
I think the best answer is B. Chinese culture influenced Japan in the areas of religion, writing, and technology. China, being in close contact with Japan even before, had many influences in Japan. They imported a very big rang of ideas, techniques of production and institutional models from China. Through these, new rice growing techniques and handicraft production were developed by Japanese as early as the Yamato period.
By people sailing or drifting from southeast Asia
The country located just north of the tip of africa is Spain
C. be a social contract between citizens and their leaders.