Questions

A glass bridge at Rajgir in Bihar is the first glass bridge in India.

The least penetrating power ray is Alpha rays.

Marketing Research Process is a systematic method for planning and executing market research projects to inform business decisions.

The 5 Step Marketing Research Process :

1. Define the Problem or Opportunity
2. Develop Your Research Plan
3. Collect Relevant Data and Information
4. Analyze Data and Report Findings
5. Take Action.

extern int i is a declaration and not a definition, hence Error occured.

The Early Middle Ages have often been called the Dark Ages, and to some extent  they were truly dark. The people led a miserable life. Education was very uncommon. The helplessness of the comman man the arbitary rule of the king and the barons and the absence of national unity-all these conditions were common in Europe. The term 'Middle Ages' does not cover a uniform period for all the countries of the world.For Europe and the Westren World , the 'Middle Ages' are generally considered to be the period between AD 500 and AD 1500.