Questions

The submerged portion of the ice on melting shrinks a little in volume. so the level of water goes down a little.But this is just made up by the water added by the melting of upper portion. Addition is equal to the Shrinkage. Hence level is unchanged.

C. F. Andrews - Charles Freer Andrews was known as Deenbandhu. He was given this name by Mahathma Gandhi for his contributions towards Indian independence. 

Deenbandhu means a friend of the poor.

When their is a colloid in the solution, then it will show the Brownian movement, such as dust particle in the air will show the Brownian movement.

Hence, Brownian movement arises due to the impact of the molecules of the dispersion medium with the colloidal particles. It has been postulated that the impact of the molecules of dispersion medium on the colloidal particles are unequal.

This leads to the zig-zag (random) motion of the colloidal particles.

Tea crop is known as Green Gold.

Product formation : It can be defined as putting different products and services together to form a product for the satisfaction of customer. For e.g. Hospitality is a product formation which is not made from a single item. 

Service brigade : Team of staffs involved in providing service

The Moment of Truth: It is the actual time when customer interacts with service staff. It is the moment of contact when no management has control. It is the motivation, skill, tools of the service and expectation, behavior, expectation of the customer determines the quality of the service.

Six sigma is a data-driven technique and way for eliminating defects in any progress from product to service and from manufacturing to transactional.

Italy