Please help this is for my final exam

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

What type of nuclear decay causes the atomic number of an element to increase by 1?

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body