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there were 7 headings in total:
1. About food - D
2. Change in temperature - B
3. Soil erosion - E i guess (Long para about soil erosion)
4. Development of new building - J
5. How did they decide the place to live - what was the answer of this one?
6. Theory of migration - C

there was one more...does anyone remember?
 
Is carpet or ' rubber floor tiles' are same??
No it's not the same . But ..see if they are saying we have floor tiles on all our trains which are easy to clean and the questions is saying they have carpet on all train which is easy to clean... so answer should be False because it's not carpet it is tiles
 
there were 7 headings in total:
1. About food - D
2. Change in temperature - B
3. Soil erosion - E i guess (Long para about soil erosion)
4. Development of new building - J
5. How did they decide the place to live - what was the answer of this one?
6. Theory of migration - C

there was one more...does anyone remember?
Anyone?