I need help please it’s aquatic science

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .

How have people adapted physically to different environments? why do you think these differences developed?

Harry wants to save money in a bank account. he decided to open a account with a five year maturity date because it offers than a savings account does.