Questions

The description of a data base is called the database schema , which is specified during database design and is not expected to change frequently . A displayed schema is called schema diagram .We call each object in the schema as schema construct.

Before transferring the fish, the position is the man with the fish and the bucket of water. After transferring the position is : the man without the fish, but the fish inside the water in the bucket. Thus to know whether there is any change in weight, it is enough to consider whether there is any change in weight when the fish in air is transferred into the water. The answer is there is no change as when in water though it loses weight due to upthrust of water on it, the level of water increases and exerts an equal force at the bottom

Special Friend - Stone.

Example ::

He is my special friend - He is my stone.

True, the given statement that the atmosphere is unaffected by changes in the geosphere.

Bartholomew Diaz reached the point in 1487, which the Portuguese named Cape of Good Hope (the southern most point of Africa).