Questions

A postage stamp on the letters, parcels, ... for post will be on the corner of the post but it travels around the world to any address we want send that.

Quality planning - Identifying which quality standards are relevant to the project and determining how to satisfy them

Perform Quality Assurance - Applying the planned , systematic quality activities to ensure that the project employs all processes needed to meet requirements.

Perform Quality Control - monitoring specific project results to determine whether they comply with relevant quality standards and identifying ways to eliminate causes of unsatisfactory performance.

Core of earth is also known as Barysphere.

On the PC side the printer port is a 25 pin female parallel connector.

Footsteps. 

Yes, as you walk forward, you will leave the footstep behind you.

The 180th meridian or antimeridian is the meridian 180° east or west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.

It is common to both east longitude and west longitude.

It is used as the basis for the International Date Line because it mostly passes through the open waters of the Pacific Ocean. However, the meridian passes through Russia and Fiji as well as Antarctica.