Earth's Surface: The Earth’s surface is divided into two main types: land and water. Around 71% of the Earth's surface is covered by water, while land makes up only 29%. Land is distributed into...
Q: There are 9 objects and 9 boxes. Out of nine objects, 5 can not fit in three small boxes. How many arrangements can vere made such that each object can put in one box only? Ans : As 5 objects can not...
The circulatory system consists of a network of artery, veins and pumping organ called the heart. The additional is the lymphatic system which is discussed separately. The circulatory system essentially...