Why don't satellites fall out of the sky?

After watching the video, Choose the correct answer: 1- Why don’t satellites fall out of the sky? Because of gravity. Because of the sun. 2- There are ---------------- of satellites orbiting earth right now. few thousands 3- To get into the orbit satellites have first to launch into -------. space station rocket 4- Gravity is ------------- the closer you are to the earth. stronger weaker 5- Satellites that orbit closer to earth must travel at a very ----------- to stay in orbit. slow speed high speed 6- Satellites can stay in an orbit for ---------- of years. 10 hundreds