Answer:
The answer is concrete operational.
Explanation:
During this stage, which appears around age seven, a child begins to understand abstract concepts and develop logical thought. Another key element is that children become less egocentric. This makes sense because empathy, or "being in another person's shoes", involves abstract thinking.
Development in technology and sociological changes had an effect on early rock music.
- It should be noted that time has an effect on music and current events happening are often mixed into music so that people can be able to relate to it.
- The development in technology was vital as it helped artists in making better quality music and enabled them to market their music to bigger audiences. By making better music and spreading it around the world, helped in introducing the people to new music styles and ideas.
In conclusion, some of the sociological changes were new styles of R&B music, artists such as Elvis Presley. The changes led to different perspectives on issues.
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Answer- A 529 plan
Explained- This is the only option that has to do with education