he industries were moved out of towns and cities. Why? A1. The government has decided to shift some of the industries to the outskirts of towns and cities because of – Increasing levels of pollution in the cities Big trucks add to the existing bulk of traffic on the roads Q2. Why did people perform on the streets? A2. There were a variety of performers like acrobats , jugglers , snake charmers and puppeteers. These people earn their livelihood by showcasing their acts in the public places. Q3. What do you understand by unemployment? Why are some people unemployed in the cities? A3. People who are actively searching for employment and are unable to find job is called unemployment. Some people are unemployed in the cities because – Poor education and training Increasing population Unable to find suitable jobs Q4. What are the advantages of working in an office? A4. The advantages of working in an office are – Offices generally have fixed working hours and salary Working conditions are better People get various kinds of benefits like medical allowances , insurance , leaves , pension and retirement benefits​