Its called rain or mist or fog one of those ones
The living material that lines the inside of one's cheek is mucous membrane
Answer:
For early earth, it was filled with loads of oxygen and could kill humans if they breathed the oxygen that was in the air about 100 million years ago. This massive amount of oxygen cause massive creatures like the dinosaurs to exist. Current earth has an atmosphere with not too much oxygen.
Explanation:
brainliest
The answer is A. Hope this helped!
