Questions

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases.

Earth's atmosphere is composed of many gases. Their percentages by volume is given by::

 
78% Nitrogen,

21% Oxygen,

0.9% Argon, and

0.03% Carbon dioxide 

And very small percentages of other elements.

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

The Head Quarters of Archaeological Survey Of India is in New Delhi.

The functional connection between two neurons is a Synapse.

This section identifies and describes the five Project Management Process Groups required for any project. These five process Groups have clear dependencies and are performed in the same sequence on each project.

The five Process Groups are :

Initiating  Process Group - Defines and authorizes the project or a project phase

Planning Process Group - Defines and refines objectives, and plans the course of action required to attain the objectives and scope that the project was undertaken to address.

Executing Process Group - Integrates people and other resources to carry out the project management plan for the project

Monitoring and Controlling process Group - Regularly measures and monitors progress to identify variances from the project management plan so that corrective action can be taken when necessary to meet project objectives.

Closing Process Group - Formalizes acceptance of the product, service or result and brings the project or a project phase to an orderly end.

In batched operating system the users gives their jobs to the operator who sorts the programs according to their requirements and executes them. This is time consuming but makes the CPU busy all the time.