Spongy bone, it is usually at the end of the long bone (the epiphyses)
Regularly scheduled exercise can do all of those depending on what /how you do it and who you are.
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I found the exercise on the internet and these are options:
"<span>Your heredity
Your culture
A peer group
A psychologist"
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It's an example of a positive influence by a peer group.
A peer group is a group<span> of people that may share similar background, interests</span>, social status or even age. As these are important social groups in the persons' lives, the members of these groups are likely to influence each other beliefs and behaviour.
Leadership is definitely a skill that can be learned.
