Answer:
Model cooperation. Share responsibilities from an early age. ...
Play games to encourage teamwork. This does not necessarily mean you should put your young child on a sports team. ...
Take time to teach them how to problem solve. ...
Allow for choices. ...
Use specific praise.
Explanation:
An aging population will need a pension when they stop working and medical treatments which can be costly.
Answer:c.No, because although the two may be correlated, causation has not been established.
Explanation: Correlation only show us that there exist a relationship between two variable but it doesn't actual say that one is the cause of the other. It doesn't give us the cause of why this is happening or it doesn't say that these agreements are the cause of partners staying long with each other , it only tells us that there seems to be a relationship of some sort that exist. They may be may underlying causes that drives this which are not related to just argument so since correlation doesn't mean causation one can not make a conclusion from just correlation alone.
Historians rely on primary sources because these sources because it provide eyewitness account of events