This planet is often called the red planet. It is one of the closest planets to Earth. People wonder if there is life on this planet. Which planet is described?
A) Mars
B) Neptune
C) Saturn
D) Venus

Wich of the following is true about social classes. a.they are mainly based on gender.b.people in most society's cannot improve their status.c.they are mainly based on age.d.they can improve their satus by getting a good education.