I am a huge part of Earth's land surface with many countries and natural environments. What am I?

I start with A and end with Z. With me, you can create all words. What am I? Solve the riddle → I shine at night but am not the sun. What am I? Solve the riddle → I have a web and many pages. You can visit the whole world without going anywhere. What am I? Solve the riddle → I have pages with words and pictures. You read me. What am I? Solve the riddle → I get smaller the more you use me. I help you get clean and make bubbles in water. What am I? Solve the riddle →