Questions

An agreement between an IT service provider and another part of the same organization. An OLA supports the IT service provider's delivery of services to customers. The OLA defines the goods or services to be provided and the responsibilities of both parties.

* For an example there be an OLA - between the IT service provider and a acquiring department to obtain hardware in discussed times - between the Service Desk and a support group to provide Incident resolution in accepted times.

The kidneys are stimulated to produce renin by a decrease in the blood pressure.

The renin-angiotensin system or RAS regulates blood pressure and fluid balance in the body. When blood volume or sodium levels in the body are low, or blood potassium is high, cells in the kidney release the enzyme, renin. Renin's primary function is therefore to eventually cause an increase in blood pressure, leading to restoration of perfusion pressure in the kidneys.

It is a Postbox or a Mailbox which contains thousands of letters or mails or messages.

Secondhand smoke is very dangerous and creates serious health risks to you and your family members. 

Prahaar is a contemporary weapon system capable of carrying multiple types of warheads & neutralizing a wide variety of targets. It is a indigenously developed surface-to-surface tactical missile by DRDO.