One word answer?? 1. A period of hundred years-2. The scientific study of theearth and its features-3. The scientific study of the sun,moon and the stars-

One word answer?? 1. A period of hundred years-2. The scientific stu

1.	One word answer?? 1. A period of hundred years-2. The scientific study of theearth and its features-3. The scientific study of the sun,moon and the stars-
Answer» 1. CENTURY2. Geology3. ASTRONOMY