Intetesting question. Its important to know what our goal is because that is the only way to know if we are on track. If we want to loose weight we have to have goal of how much. When we make small success than we will be encouraged to do more and it will impact our health and positive attitude.
Answer:
biology
Explanation: But physics is good too
The change in adolescence all begins as a child in their unique combination of genes<span>, brain development, environment, experiences with family and friends, and community and culture. Social and emotional changes show that they are growing independently and learning how to be an adult. Physical change in different genders are really different because both are going into puberty and so they begin to see alot of differences in their bodies. Adolescence mental starts on what they begin to see and believe, and as everything is developing in their mind many of those things stay, what they have in mind depends on them. Adolescence are still maturing to become adults.
(hope i kinda made sense)</span>