Who preserved the ancient roman and greek text until the humanist found them again

What is found within a ranger tower overlooking a drained lake

Mengapakah wujudnya perbezaan tanggapan terhadap sumber?

According to the article about the zhou dynasty, this dynasty was broken into different eras because its capital changed from place to place. how many different eras were there in the zhou dynasty? a. two b. six c. ten d. fourteen