Why is the level of development not the same everywhere?

Tbh theres a lot of reasons

Explanation:

There are certain schools for people who cant learn as easily, and some people just need to learn in different environments. There are a lot of ways to learn so different school's try different ways to learn.

answer; i do believe its (b) 12.5 years of age;

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choose your topic and establish your purpose. a lot of writers struggle to define the initial focus for their paper.

create a list of main ideas. this is the brainstorming part of the writing process.

organize your main ideas.

flush out your main points.

review and adjust.