9 Lesson

Lesson Daily Routine - All Things Topics - Home

healthy. I think that this is very important! Finally, at about 9:30, I go to bed, read for a while, and then fall asleep. Sure, some people think my daily routine is a little boring – but on weekends and holidays I love to fly airplanes … for fun! It’s my favorite hobby. Permission granted to reproduce for classroom use.

  Lesson

ATMOSPHERE COMPOSITION AND STRUCTURE

9 ATMOSPHERE COMPOSITION AND STRUCTURE Earth is a unique planet because the life is found only on this planet. The air has a special place among the conditions necessary for life. The air is a mixture of sev-eral gases. The air encompasses the earth from all sides. The air surrounding the Earth is called the atmosphere.