Children who watch many hours of television get lower grades in school, on the average, than those who watch less tv. explain clearly why this fact does not show that watching tv causes poor grades. in particular, suggest some other variables that may be confounded with heavy tv viewing and may contribute to poor grades

Tv is good for children because your child can learn good things depending on the type of tv show. Research shows that tv can have a positive impact on children.

However, it has been clear to many people that it can contribute to poor grades as a child might not be revising or educate enough. Some watching tv can be a habit and can distract children.

Afine-grained igneous rock forms as a result of slow cooling.